American Idol Names Top 13 Finalists

American Idol threw a party for their top 13 finalists and Jennifer Lopez debuted her new music video for "On the Floor." INSIDE EDITION was there.

The top 13 American Idol finalists have been announced. The judges got to pick three wild cards, and Jennifer Lopez says it was a tough decision.

"It was awful. It was so tough, it was so hard, even up until the very last second it was like, wait a minute, we really didn't know who to choose," Lopez said.

INSIDE EDITION caught up with her at the party celebrating the 13 finalists. She was wearing a sexy outfit, short shorts and a midriff-baring shirt.

Lopez debuted her sexy new music video for her song "On the Floor" at the party.

In the video, Lopez wears a skintight body suit, which highlights what great shape she is in. She proves she is one of the hottest 42-year-old moms around.