We reckon Sienna Miller may be in a spot of bother with somebody.
Cos she keeps treading all over their showbiz toes.
And wethinks it's going down like a tonne of bricks.
Yep, we'd place a bet that Kate Moss is rather narked with Miss Miller.
Not only has she bagged herself Kate's mate Rhys Ifans - who she seems to be spending all her time with.
But she's poached another one of Kate's chums as well.
Yep, Davinia Taylor has spread herself between the two.
Once a loyal Mossette, it seems she swings both ways these days.
Si and Dav were spotted out at London's Cipriani restaurant having a bite to eat, along with Edward Tang and Rhys (of course).
BTW, all of 'em roll with Kate.
We wonder how she'll take this news?
And it ain't just Kate's mates that Si is nicking.
We've piled up all the evidence for you to see - check out our Sienna Miller vs Kate Moss pictures and see it all before your very eyes.
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