Jennifer Lopez flashes her curvaceous bottom in skintight leggings as she leaves the gym

JENNIFER LOPEZ proved exactly why her derriere is one of the most coveted and talked about in Hollywood, when she was spotted in Southampton, New York, yesterday.

Jennifer Lopez showed off her most famous asset in NYC yesterday

Jennifer Lopez showed off her most famous asset in NYC yesterday

The bootylicious actress’ impressively pert behind was impossible to miss as she left a gym session with her on/off boyfriend, Casper Smart.

Wearing her dark tresses up in a neat bun, the 45-year-old beauty undoubtedly turned heads in her clingy, leopard print leggings, which left very little to the imagination.

Jennifer’s pert bottom wasn’t the only part of her anatomy she was flashing during the outing, thanks to her skimpy work-out gear.

The mother-of-two’s incredible abs were also on show, after she opted to tie her white vest in a knot.

The actress turned heads as she left a gym session

The actress turned heads as she left a gym session

Jennifer's bottom and toned tum were impossible to missSPLASH

Jennifer’s bottom and toned tum were impossible to miss

Jennifer polished off her casual ensemble with yellow trainers and a pair of aviator sunglasses, while taking a break from work commitments.

Today however the film star was back on the set of her new show, Shades Of Blue, alongside the likes of Ray Liotta, Drea de Matteo and Warren Kole.

The gritty 13-episode NBC drama is a step in a new direction for Jennifer, who is more familiar to TV viewers as a judge on American Idol.