Jennifer Lopez performed her new single tonight on the UK TV show "Britain's Got Talent" and showed off her famous behind in a tiny black leotard.
Lopez sang "Live It Up" and danced with several white tuxedo-wearing male dancers, who all had peroxide white hair.
Lopez also wore a fluffy black fur with thigh-high black boots.
"Breathing a little heavy now," said the 43-year-old singer after she finished her tune, reports the Daily Mail.
"JLo's arse... I just wanted to bite it! It was fabulous," said judge Amanda Holden.
Judge Simon Cowell added: "Seriously, JLo. If anyone wants to know how you do it. That's how you do it. Seriously world class."
Lopez later received a standing ovation from her team near their tour bus.
Lopez will perform at Twickenham stadium alongside Beyonce and others for "Chime For Change" on June 1.
Source: Daily Mail