There's nothing more embarrassing than looking through photos and spotting a picture where your double chin looks hideous or that spare tyre is showing a little too much.
But imagine being famous and knowing that not only you, but half the world can see your dodgy shots.
This is the fate of poor Claire Sweeney, who was busily singing her heart out when her nipple popped out too.
The former Brookside babe was on stage singing at "A Party To Remember", a free concert celebrating the 60th anniversary of VE Day, in London's Trafalgar Square when the incident happened.
It wasn't a massively obvious escape moment - but proved the peril of wearing a strapless frock and then lifting up your arms.
Her bodge follows the likes of Javine whose boob slipped out whilst performing at the British Song For Europe contest.
Plus, there was that Janet Jackson incident at the Superbowl, when Justin Timberlake 'accidentally' ripped off a part of her costume and revealed a ringed nipple.
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