When our mum dressed us in matchy-matchy sisterly combos, we struggled to cope with the shame-ups.
But AnnaLynne McCord and her sister are going for it loud and proud with their same bikini, blinging jewellery and sunnies as they soak up the sun.
\r\nBut who looks best? We can't decide on who's trying to upstage the other...
\r\nClick on to check out more potential sibling rivalries.<\/p>","url":"2009/7/20/AnnaLynne-McCord-and-her-sister-0709-1.jpg","width":385,"height":540,"alt":"AnnaLynne McCord and her sister "},{"captionHeading":"Sibling Rivalry Or Not?","caption":"
Kourtney Kardashian threatens to rain on her sister Kim's parade with her latest uber-saucy shoot for US Maxim.
Kim's bigger sibling, the eldest of the Kardashian clan, is flaunting her bootilicious bod to the max.
But hang on a sec...<\/p>","url":"2009/3/16/Kourtney-Kardashian-0309-7.jpg","width":385,"height":540,"alt":"Kourtney Kardashian "},{"captionHeading":"Sibling Rivalry Or Not?","caption":"
We thought that was Kim's coveted territory?
The relly telly beauty loves nothing better than airing her curves in saucy shoots like this.
Are the two sisters now more in competition than ever?<\/p>","url":"2009/3/16/Kim-Kardashian-0209.jpg","width":385,"height":540,"alt":"Kim Kardashian "},{"captionHeading":"Sibling Rivalry Or Not?","caption":"
And let's not forget Khloe in all of this.
Together, the family are the stars of Keeping Up With The Kardashians on E!, but really it's Kim who's the biggest star - until now, that is.<\/p>","url":"2008/5/9/Khloe-Kim-Kourtney-Kardashian-0108.jpg","width":385,"height":540,"alt":"Khloe Kim Kourtney Kardashian 01.08"},{"captionHeading":"Sibling Rivalry Or Not?","caption":"
Here they are again. We can't even begin to imagine the squabbles that must go on - because you can't tell us there isn't a family in the world who never argue.<\/p>","url":"2008/5/9/Kim-Khloe-Kourtney-Kris-Kardashian-0308.jpg","width":385,"height":540,"alt":"Kim Khloe Kourtney Kris Kardashian 03.08"},{"captionHeading":"Sibling Rivalry Or Not?","caption":"
In terms of rivalry possibilities, we'd say this is a virtual swamp of choice.<\/p>","url":"2008/5/9/Kim-Khloe-Kourtney-Kardashian-1007.jpg","width":385,"height":540,"alt":"Kim Khloe Kourtney Kardashian 10.07"},{"captionHeading":"Sibling Rivalry Or Not?","caption":"
Could lil' Noah Lindsey be the new Miley Cyrus?
Miley's eight-year-old sister definitely has something to give in the cute stakes, plus she's made a few acting appearances in TV series, including Hannah Montana, already.
Still, as rivalries go, this doesn't seem to be a very strong one - Miley and Noah seem very happy in each other's presence.<\/p>","url":"2008/7/16/Noah-Lindsey-and-Miley-Cyrus-0708.jpg","width":385,"height":420,"alt":"Noah Lindsey and Miley Cyrus"},{"captionHeading":"Sibling Rivalry Or Not?","caption":"
Moving onto Kylie and Dannii Minogue.<\/p>","url":"2008/5/9/Dannii-Kylie-Minogue-1007-1.jpg","width":320,"height":540,"alt":"Dannii Kylie Minogue 10.07"},{"captionHeading":"Sibling Rivalry Or Not?","caption":"
Now, as she was the first Minogue madam to hit the celeb scene does that mean Kylie's entitled to the queen bee's crown in the Minogue family?
Because Dannii's zoomed up the fame lane by starting her own music career too.<\/p>","url":"2008/5/9/Dannii-Kylie-Minogue-1007.jpg","width":385,"height":540,"alt":"Dannii Kylie Minogue 10.07"},{"captionHeading":"Sibling Rivalry Or Not?","caption":"
She's also a hit here in Blighty as a judge on The X Factor. However, Kylie is a hard act to follow, just take a look...<\/p>","url":"2008/5/9/Dannii-Minogue-0707.jpg","width":320,"height":540,"alt":"Dannii Minogue "},{"captionHeading":"Sibling Rivalry Or Not?","caption":"
She's a superstar singer and there's no doubt she's sizzling.
Apart from normal sisterly arguments over borrowed clothes, ruined heels and taste in music, we reckon the Minogue sisters are a tight twosome - when it suits them.<\/p>","url":"2008/5/7/Kylie-Minogue-0508-9.jpg","width":385,"height":540,"alt":"Kylie Minogue "},{"captionHeading":"Sibling Rivalry Or Not?","caption":"
Now, the pair that is Paris and Nicky Hilton have been showing up alongside each other for many a year.
But we have to say, Paris loves hogging the limelight.<\/p>","url":"2008/5/9/Nicky-Hilton-Paris-Hilton-2-0503.jpg","width":320,"height":540,"alt":"Nicky Hilton Paris Hilton 2 05.03"},{"captionHeading":"Sibling Rivalry Or Not?","caption":"
Was she the type of sister who as a youngster HAD to have the newest Barbie?
She always poses to the max, but Nicky keeps her cool.<\/p>","url":"2008/5/9/Nicky-Hilton-Paris-Hilton-0503.jpg","width":320,"height":540,"alt":"Nicky Hilton Paris Hilton 05.03"},{"captionHeading":"Sibling Rivalry Or Not?","caption":"
Here they go for a snap shot, but again Paris takes it that one step further with heavier peeper liner and some serious neck bling.<\/p>","url":"2008/5/9/Nicky-Hilton-Paris-Hilton-1001.jpg","width":320,"height":540,"alt":"Nicky Hilton Paris Hilton 10.01"},{"captionHeading":"Sibling Rivalry Or Not?","caption":"
Nicky isn't a wallflower though, she has two successful clothing ranges - Chick and Nicholai - under her belt.<\/p>","url":"2008/5/9/Nicky-Hilton-Paris-Kathy-Hilton-0203.jpg","width":320,"height":540,"alt":"Nicky Hilton Paris Kathy Hilton 02.03"},{"captionHeading":"Sibling Rivalry Or Not?","caption":"
This snap is from the early days when their fame pot was just starting to boil, but who could've guessed the sisters would become such media magnets?
And we have to wonder if they are still get given matching Christmas pressies to stop any feuding.<\/p>","url":"2008/5/9/Nicky-Hilton-Paris-Hilton-0201.jpg","width":320,"height":540,"alt":"Nicky Hilton Paris Hilton 02.01"},{"captionHeading":"Sibling Rivalry Or Not?","caption":"
Now, let's take a peek at two fellas who are no strangers to one Hilton sister in particular -yes, it's Good Charlotte's twin bros Joel and Benji Madden.
But it's hard to tell which keeps the brothers busier: their band or their love lives?<\/p>","url":"2008/5/9/Joel-Benji-Madden-1204.jpg","width":385,"height":420,"alt":"Joel Benji Madden 12.04"},{"captionHeading":"Sibling Rivalry Or Not?","caption":"
See, Joel's all loved-up and has a baby with Nicole Richie, who just happens to be BFFs with Paris Hilton. Benji kept a low profile for a while, and then...<\/p>","url":"2008/4/30/Joel-Madden-Nicole-Richie-0408.jpg","width":320,"height":540,"alt":"Joel Madden Nicole Richie 04.08"},{"captionHeading":"Sibling Rivalry Or Not?","caption":"
Things took a turn around a different corner. And Benji went and got a more famous girlf than the one Joel has.<\/p>","url":"2008/5/9/Benji-Joel-Madden-0204.jpg","width":385,"height":420,"alt":"Benji Joel Madden 02.04"},{"captionHeading":"Sibling Rivalry Or Not?","caption":"
Yes, it's Paris. If this lady looks a little like someone you think you may know it's because she is Savannah Miller, sister to the v famous Sienna Miller. Well, they do have a fashion label together called Twenty8Twelve, but it seems Sav leaves the acting stuff to Si.<\/p>","url":"2008/5/9/Savannah-Sienna-Miller-0907.jpg","width":385,"height":540,"alt":"Savannah Sienna Miller 09.07"},{"captionHeading":"Sibling Rivalry Or Not?","caption":" And while Si cracks Hollywood, Sav takes the fashion world by storm.<\/p>","url":"2008/5/9/Savannah-Sienna-Miller-0307.jpg","width":320,"height":540,"alt":"Savannah Sienna Miller 03.07"},{"captionHeading":"Sibling Rivalry Or Not?","caption":" Their mum, Josephine, must be really proud, but we wonder if she ever still has to say: \"Now, now, girls, break it up.\"<\/p>","url":"2008/5/9/Sienna-Josephine-Savannah-Miller-1004.jpg","width":385,"height":420,"alt":"Sienna Josephine Savannah Miller 10.04"},{"captionHeading":"Sibling Rivalry Or Not?","caption":" When we first met Penelope Cruz we didn't think there'd be another woman who could match up to her. But this pair (with Pen on the left here) are more than just pretty faces. They've designed a range for Mango.<\/p>","url":"2008/5/9/Penelope-Monica-Cruz-0707.jpg","width":385,"height":540,"alt":"Penelope Monica Cruz 07.07"},{"captionHeading":"Sibling Rivalry Or Not?","caption":" We wonder if they'll ever star on screen together, or if that would be too much like Mon stepping on Pen's toes?<\/p>","url":"2008/5/9/Penelope-Monica-Cruz-0106.jpg","width":385,"height":540,"alt":"Penelope Monica Cruz 01.06"},{"captionHeading":"Sibling Rivalry Or Not?","caption":" A v successful brother duo is Luke and Owen Wilson, who're known for their comedic skills on screen, but we wonder what the deal is when the camera stops rolling?<\/p>","url":"2008/5/9/Owen-Luke-Wilson-0706.jpg","width":385,"height":420,"alt":"Owen Luke Wilson 07.06"},{"captionHeading":"Sibling Rivalry Or Not?","caption":" Are they brothers in arms or brothers apart? While Owen's had major success with movies like Wedding Crashers and Zoolander, Luke hasn't exactly been sitting at home knitting. But hark, who's this? Yet another Wilson brother, Andrew, but he prefers to keep his mug away from the camera. There's no denying Joseph Fiennes has that certain something special, but he's not alone.<\/p>","url":"2008/5/9/Joseph-Fiennes-0407.jpg","width":320,"height":540,"alt":"Joseph Fiennes 04.07"},{"captionHeading":"Sibling Rivalry Or Not?","caption":" His older brother, Ralph, started in movies first and is just as dishy. However, of late, it seems the young Fiennes face has been popping up one heck of a lot.<\/p>","url":"2008/5/9/Ralph-Joseph-Fiennes-1005.jpg","width":385,"height":540,"alt":"Ralph Joseph Fiennes 10.05"},{"captionHeading":"Sibling Rivalry Or Not?","caption":" But we guess the eight-year age gap between them may just be enough to keep the rivalry waters calm. This lady looks happy to be stuck between them.<\/p>","url":"2008/5/9/Ralph-Joseph-Fiennes-0400.jpg","width":385,"height":540,"alt":"Ralph Joseph Fiennes 04.00"},{"captionHeading":"Sibling Rivalry Or Not?","caption":" The sister duo that is Hilary and Haylie Duff is quite amazing - they've sung together, acted together, and pretty much, well, shared as much of the spotlight as is poss in such a situation.<\/p>","url":"2008/5/9/Hilary-Haylie-Duff-0606.jpg","width":385,"height":540,"alt":"Hilary Haylie Duff 06.06"},{"captionHeading":"Sibling Rivalry Or Not?","caption":" But it's the younger sis, Hilary, who seems to be better known. Wonder if that ever causes any voice-raising between the pair?<\/p>","url":"2008/5/9/Hilary-Haylie-Duff-0903.jpg","width":385,"height":540,"alt":"Hilary Haylie Duff 09.03"},{"captionHeading":"Sibling Rivalry Or Not?","caption":" In the Geldof camp, which from left to right includes Fifi Trixibelle, Pixie and Peaches, and half-sister Heavenly Hiraani Tiger Lily Hutchence in the front, we think it's Peaches and Pixie who've put themselves out there the most.<\/p>","url":"2008/5/9/Fifi-Trixiebell-Pixie-Peaches-Tiger-Lily-Geldof-1104.jpg","width":385,"height":540,"alt":"Fifi Trixiebell Pixie Peaches Tiger Lily Geldof 11.04"},{"captionHeading":"Sibling Rivalry Or Not?","caption":" But while Peaches was always the one who garnered the most attention, now her baby sis Pixie is getting her fair share of love from the media too. As far as A-list sisters go, Britney and her baby sis Jamie Lynn Spears are pretty much as good as it gets. For a while it looked like Britney would always be the sister with the mostest.<\/p>","url":"2008/5/9/Britney-Jamie-Lynn-Spears-0802.jpg","width":385,"height":540,"alt":"Britney Jamie Lynn Spears 08.02"},{"captionHeading":"Sibling Rivalry Or Not?","caption":" But then the winds of change blew through the Spears camp and Jamie started landing everything from acting to singing gigs, while Britney struggled with a marriage break-up and a career slow-down. If you thought no one could come close to Ben Affleck and his pal Matt Damon, think again. Because after the Matt and Ben honeymoon wore off, we all got to know Ben's bro, Casey.<\/p>","url":"2008/5/9/Ben-Casey-Affleck-0805.jpg","width":385,"height":420,"alt":"Ben Casey Affleck 08.05"},{"captionHeading":"Sibling Rivalry Or Not?","caption":" Somehow though, we think both brothers are equally talented and that there's a whole lotta support going on here. V touching.<\/p>","url":"2008/5/9/Ben-Casey-Affleck-0704.jpg","width":385,"height":420,"alt":"Ben Casey Affleck 07.04"},{"captionHeading":"Sibling Rivalry Or Not?","caption":" When you have an identical twin sister the potential for rivalry is doubled somewhat. We wonder how Mary-Kate Olsen, pictured here, and her sister, Ashley, cope?<\/p>","url":"2008/5/9/Mary-Kate-Olsen-0508.jpg","width":320,"height":540,"alt":"Mary-Kate Olsen 05.08"},{"captionHeading":"Sibling Rivalry Or Not?","caption":" Because even though Ashley does her own thing, and MK hers, they seem to spend a lot of time together.<\/p>","url":"2008/5/9/Ashley-Olsen-0108.jpg","width":320,"height":540,"alt":"Ashley Olsen 01.08"},{"captionHeading":"Sibling Rivalry Or Not?","caption":" And it's not like their careers are that different either - they both act and love fashion, so you can only imagine there must be some friction at times. But they always seem close and happy to us.<\/p>","url":"2008/5/9/Ashley-Mary-Kate-Olsen-0502.jpg","width":320,"height":540,"alt":"Ashley Mary-Kate Olsen 05.02"},{"captionHeading":"Sibling Rivalry Or Not?","caption":" Now, this mug of Ashlee Simpson's is all over the place lately. If it's not her and beau Pete Wentz talking about their marriage, it's all about their baby, Bronx, instead.<\/p>","url":"2008/5/9/Ashlee-Simpson-0408.jpg","width":320,"height":540,"alt":"Ashlee Simpson 04.08"},{"captionHeading":"Sibling Rivalry Or Not?","caption":" We remember a time when it was all about the older Simpson sis, Jessica. Now it seems Jess is happy to let Ash take the wheel in the fame game.<\/p>","url":"2008/5/9/Jessica-Ashlee-Simpson-0504.jpg","width":385,"height":420,"alt":"Jessica Ashlee Simpson 05.04"},{"captionHeading":"Sibling Rivalry Or Not?","caption":" But we wonder for how long?<\/p>","url":"2008/5/9/Jessica-Ashlee-Simpson-0703.jpg","width":385,"height":540,"alt":"Jessica Ashlee Simpson 07.03"},{"captionHeading":"Sibling Rivalry Or Not?","caption":" They look so much alike that Angelina Jolie and James Haven could be twins. And we think the rivalry potential here is miniscule. Why?<\/p>","url":"2008/5/9/Angelina-Jolie-James-Haven-0905.jpg","width":385,"height":540,"alt":"Angelina Jolie James Haven 09.05"},{"captionHeading":"Sibling Rivalry Or Not?","caption":" Well, these two are closer than close (remember that red-carpet snog of theirs?), so we think for them it's all about loving and supporting each other all the way. It's all about feeling the peace, man.<\/p>","url":"2008/5/9/Angelina-Jolie-James-Haven-0703.jpg","width":385,"height":420,"alt":"Angelina Jolie James Haven 07.03"},{"captionHeading":"Sibling Rivalry Or Not?","caption":" No matter what the other one does, they're there for each other through thick and thin.<\/p>","url":"2008/5/9/Angelina-Jolie-James-Haven-Billy-Bob-Thornton-0600.jpg","width":385,"height":420,"alt":"Angelina Jolie James Haven Billy Bob Thornton 06.00"},{"captionHeading":"Sibling Rivalry Or Not?","caption":" The cute mug that is Abigail Breslin is already, like, super-famous, even though she's still a young child. But did you know there's another Breslin taking on the acting world?<\/p>","url":"2008/3/27/Abigail-Breslin-Girl-Scouts-15-0308.jpg","width":385,"height":540,"alt":"Abigail Breslin Girl Scouts 15 03.08"},{"captionHeading":"Sibling Rivalry Or Not?","caption":" Meet Abi's bro, Spencer, who has racked up his own impressive movie credits.<\/p>","url":"2008/5/9/Spencer-Breslin-0408.jpg","width":320,"height":540,"alt":"Spencer Breslin 04.08"},{"captionHeading":"Sibling Rivalry Or Not?","caption":" But are they too young to feel the pressure of rivalry we wonder?<\/p>","url":"2008/5/9/Spencer-Breslin-Abigail-Breslin-0707.jpg","width":320,"height":540,"alt":"Spencer Breslin Abigail Breslin 07.07"},{"captionHeading":"Sibling Rivalry Or Not?","caption":" Defo - at this age we think and hope it's all about toys and pals. The way it should be.<\/p>","url":"2008/5/9/Spencer-Breslin-Abigail-Breslin-0904.jpg","width":320,"height":540,"alt":"Spencer Breslin Abigail Breslin 09.04"}];
When she and Benji were still together, that might've made for awesome foursome double dates - or did it up the brother rivalry stakes?<\/p>","url":"2008/4/23/Paris-Hilton-Benji-Madden-0408.jpg","width":320,"height":540,"alt":"Paris Hilton Benji Madden 04.08"},{"captionHeading":"Sibling Rivalry Or Not?","caption":"
But are the Miller sisters such a tight twosome they spend Saturday nights plaiting each other's hair and doing each other's pedicures?<\/p>","url":"2008/5/9/Savannah-Miller-1107.jpg","width":320,"height":540,"alt":"Savannah Miller 11.07"},{"captionHeading":"Sibling Rivalry Or Not?","caption":"
Then she introduced her sister, Monica Cruz, pictured here, to the world and we silently wished we'd been standing in the beauty line when the Cruz genes were handed out.<\/p>","url":"2008/5/9/Monica-Cruz-0308.jpg","width":320,"height":540,"alt":"Monica Cruz 03.08"},{"captionHeading":"Sibling Rivalry Or Not?","caption":"
He's starred in a number of films, including Legally Blonde and My Super Ex-Girlfriend.<\/p>","url":"2008/5/9/Owen-Luke-Wilson-0605.jpg","width":385,"height":420,"alt":"Owen Luke Wilson 06.05"},{"captionHeading":"Sibling Rivalry Or Not?","caption":"
We reckon he may be the grounding factor between Luke and Owen.<\/p>","url":"2008/5/9/Luke-Wilson-Andrew-Wilson-0507.jpg","width":385,"height":420,"alt":"Luke Wilson Andrew Wilson 05.07"},{"captionHeading":"Sibling Rivalry Or Not?","caption":"
Interesting Sunday lunch conversation or a recipe for sibling rivalry? We're not too sure.<\/p>","url":"2008/5/9/Pixie-Peaches-Geldof-0106.jpg","width":385,"height":540,"alt":"Pixie Peaches Geldof 01.06"},{"captionHeading":"Sibling Rivalry Or Not?","caption":"
Now that Jamie Lynn's a mum, we think the Spears sisters are putting fame on ice while they fix the fam first, lowering the rivalry stakes. Nice.<\/p>","url":"2008/5/9/Britney-Jamie-Lynn-Spears-0403.jpg","width":385,"height":420,"alt":"Britney Jamie Lynn Spears 04.03"},{"captionHeading":"Sibling Rivalry Or Not?","caption":"