A nip slip is every celeb lady's worst nightmare. But when they will insist on stepping out without a bra or in a dress much in need of some boob tape, these things will happen.
From Emma Watson to Katie Price and Chloe Sims, it appears there are no starry types that are safe from inadvertently flashing a nipple, but then there are those who like to do it just for a LOL (oh hi Lady Gaga and Taylor Momsen).
So prepare to say peek-a-boob as we present you with the best celebrity nip slips ever...