The Internet has been buzzing about singer Jordin Sparks‘ new body. The singer caused a frenzy when she appeared at this weekend’s Muhammad Ali Celebrity Fight Night XVII party in Phoenix, Arizona. She wore a revealing black dress to show off her new size. According to Theybf.com, Jordin claimed that she lost over 30 lbs due to a strict regimen of exercise and portion control. She now wears a size 6.