On Thursday night’s "American Idol," judge Jennifer Lopez debuted her new music video, "On the Floor." In the video for the thumping dance track, Ms. Lopez is dressed to kill in a shimmery jumpsuit.

Jennifer Lopez

Jennifer Lopez, center left, and husband Marc Anthony, right, speak with Puerto Rico's governor Luis Fortuno, second from right, as they arrive for a ceremony

Musical artist and actress Jennifer Lopez

Musical artist and actress Jennifer Lopez greets people as she arrive to participate in a ceremony marking the signing of filmmaking incentive legislation

American Idol

'American Idol' judge Jennifer Lopez, left, and music producer/songwriter RedOne pose together at the 'American Idol' Finalists Party in Los Angeles, Thursday

American Idol judge Jennifer Lopez

American Idol judge Jennifer Lopez poses with creator of the show Simon Fuller at the party for the finalists of the television show "American Idol

American Idol judge Jennifer Lopez

American Idol judge Jennifer Lopez poses at the party for the finalists of the television show "American Idol" in Los Angeles March 3, 2011

Jennifer Lopez and her husband Marc Anthony

Jennifer Lopez and her husband Marc Anthony pose on arrival at the 53rd annual Grammy Awards in Los Angeles, California February 13, 2011.

Jennifer Lopez

Jennifer Lopez arrives at the 53rd annual Grammy Awards in Los Angeles, California February 13, 2011.

Jennifer Lopez and Marc Anthony

Jennifer Lopez and Marc Anthony arrive at the 53rd annual Grammy Awards in Los Angeles, California February 13, 2011.
Jennifer Lopez and her husband Marc Anthony
Jennifer Lopez and her husband Marc Anthony pose on arrival at the 53rd annual Grammy Awards in Los Angeles, California February 13, 2011.

American Idol judge Jennifer Lopez

American Idol judge Jennifer Lopez poses at the party for the finalists of the television show "American Idol" in Los Angeles March 3, 2011

Jennifer Lopez

Jennifer Lopez, left, speaks as her husband Marc Anthony looks on during a signing ceremony for filmmaking incentive legislation for the U.S. island territory

Jennifer Lopez