Jennifer Lopez is the real star of the show at American Idol as she slips her famous curves into a skintight sequin LBD

Jennifer Lopez looked glamorous in a sequined dress backstage at American Idol

The actress showed off her famous curves in the tight, geometric black dress while on the set of the FOX singing competition in Los Angeles on Thursday.

The 46-year-old’s form-fitting gown featured structural shoulders and long sleeves.

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Glamorous: Jennifer Lopez looked sensational in a tight sequined dress backstage at American Idol in Los Angeles on Thursday

Shining star: The singer was the real star of the show as she slipped her famous curves into a skintight sequin pencil dress backstage before appearing the live episode went out

Jennifer looked relaxed as she flashed a smile backstage.

The multi-talented star pulled her hair back in a sleek ponytail, and accessorized with pearl earrings and silver rings.

She played up her features with a dramatic smokey eye, paired with a nude lip.

Star power: The 46-year-old wore her brunette hair up in a sleek high ponytail

Idol: J.Lo added a dramatic smokey eye and natural lipstick

Body con: The singer’s gown featured bold shoulders and a geometric design

Jennifer Lopez stuns in white at Fashion LA Awards last week

She added towering black Louboutin heels with a shimmering silver pattern.

In addition to her role as a judge on Idol’s Farewell Season, the busy superstar has been juggling other roles, including that of mom to eight-year-old twins Emme and Max.

J.Lo stars in NBC cop drama Shades of Blue, and resumes her Las Vegas All I Have residency at Planet Hollywood in May.

Pucker up: J.Lo got a kiss backstage from fellow judge Harry Connick, Jr, who looked dapper in a dark suit

Stepping out: J.Lo added towering black Louboutin heels as she chatted with a crew member

Not an inch to pinch: The striking LBD clung to every inch of the mother-of-two’s fabulous figure as she strutted around behind the scenes of the show

The star was joined by her fellow judges Harry Connick, Jr and Keith Urban ahead of the show on Thursday.

Jennifer greeted Harry, who looked sharp in a dark suit, with a kiss on the cheek.

Also seen on the lot was country singer Keith, who is married to actress Nicole Kidman. 

The musician, who held a handful of cash and gripped two smartphones, went for more of a rocker look in ripped jeans and a leather jacket.

Dressed to impress: Jennifer works hard to maintain her incredible figure, putting in regular hours at the gym and sticking to a healthy diet

Strutting her stuff: The superstar teetered around on set in a pair of towering stiletto heels

Edgy: Idol judge Keith Urban wore distressed jeans and a black leather jacket