Jennifer Lopez: 'American Idol' Finalist Party!

Jennifer Lopez shows off her abs while attending the American Idol Finalist Party on Thursday (March 3) in Los Angeles.

The 41-year-old entertainer’s music video for her new single “On the Floor” premiered during American Idol earlier in the evening while she and the other judges deliberated over their wild card picks.

During Thursday night’s Idol, the top 13 contestants were announced. Ten of them were chosen through viewer votes and the other three were the judge’s wild card choices.

FYI: Jennifer is wearing Brian Atwood “Maniac” pumps, H.Stern jewelry, a Jennifer Zeuner horizontal cross necklace, and a Lauren Merkin “Iris” clutch.

10+ pictures inside of Jennifer Lopez at the finalist party…