Nicki Minaj and Kelly Rowland have both suffered wardrobe malfunctions while performing in the last week.

Both female stars slipped out of their tops and exposed a nipple while on stage, with  Nicki’s slip beamed across American TV during a performance on Good Morning America.

New X Factor judge Kelly slipped out of her bra when on stage at 4Sixty6 club.

Kelly and Nicki are not the only stars to be snapped this year showing more than intended, so we have put together the celebrity nipple slips of 2011...