Sideboob has been a thing for a while now. But what about underboob?
K. Michelle, who's been in the news lately for her Internet flirtations with Nicki Minaj's ex Safaree Samuel, suffered the not-so dreaded nip-slip during her Anybody Wanna Buy A Heart Tour.
As you can see in the video below, the songstress gave the crowd a pretty good view up the bottom of her highly-cropped top. When she realized what she had done she really didn't care. Where would you rank underboob on the spectrum of boobage?