Height: 5' 4"

O'Day, Every Day: This vocal vamp broke out on Diddy's Making the Band 3, landing a spot in girl group Danity Kane. After a successful debut, O'Day and co. release their second album, Welcome to the Dollhouse, in mid-March, and have bunked again with Donnie J and Day26 for MB4. We hate our lives 75 percent more after reporting everything you just read.