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Carrie Underwood said (sorry no link -- the YouTube video has been removed) in her first American Idol audition, when Paula wasn't present, that she had a third nipple but had it removed even though it just looked like a mole.
These celebrities and their body modification... sometimes they just take it too far. Sure, nip this, tuck that, pierce here here and here, but dammit, don't go cutting off your nipples! Pink (Bob Geldof in "The Wall") cut his nipple off with a disposable razor and look how things turned out for him. (Hint: they turned out badly. He lost his freakin' mind. So don't cut off your nipples, okay?)