This is up for debate, people: Is this some kind of tape-and-shadow optical illusion, or is this a bona fide nip slip?

The Nicki Minajes and the Khloe Kardashians the world over understand that the occasional slip of the nipple on live television is an occupational hazard. It happens! In fact, it seems to happen so often these days that no one cares that much when it does. But that doesn't mean ABC is cool with what happened on Good…