Down-to-earth diva! Jennifer Lopez goes barefoot in leopard robe before changing into skintight white jumpsuit for Idol

She’s known for her glamorous style.

But Jennifer Lopez looked more low-key as she was spotted barefoot and wearing a leopard print robe while backstage at American Idol on Thursday.

However, the 46-year-old later looked stunning as she emerged from her trailer in a tight white jumpsuit with wide-legged trousers and a halter neckline.

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Jennifer added gold, geometric earrings and bracelets, and light grey heels.

The Idol judge looked focused as she perused her wardrobe options.

Also seen back stage was J.Lo’s on-again, off-again partner Casper Smart, who was there to show his support.

Earlier on Thursday, the Shades of Blue star stopped by The View, where she called herself ‘chunky’ and said her weight fluctuates by around 8 pounds depending on whether or not she’s doing her demanding Vegas show.

But the star looked gorgeous as she put her famous curves on display in the body-conscious white jumpsuit as she headed to the Idol set.

Jennifer wore her light brown hair pinned back, and added a dramatic smokey eye as she chatted with crew members.

Earlier, J.Lo went barefoot and looked focused as she considered her style options.

The star appeared to already have had her makeup done, as she checked out a wardrobe rack full of fashionable options.

The dressed-down diva went barefoot and wrapped up in an animal print robe, and held a cool drink in one hand.

She eventually settling on a shimmery gold skirt and a flowing cream blouse.

But she appeared to have had a change of heart about her fashion choices, later emerging from her trailer in the body-con white jumpsuit.

Meanwhile, Jennifer’s boyfriend Casper went for a relaxed look while backstage at the FOX singing competition.

The dancer and actor wore a grey and black Tshirt as he chatted on his smartphone.

The 28-year-old wore black shorts, which revealed large tattoos of a wolf, a flower and his last name on his left calf.

Busy J.Lo was back at work on Idol after revealing toThe Late Late Show host James Cordon earlier this week that she has had five marriage proposals.

The former dancer was previously wed to Ojani Noa, Chris Judd and singer Marc Anthony, and was engaged to actor Ben Affleck.

‘I’ve had some amazing proposals.’ Lopez admitted during the Carpool Karaoke segment, although she didn’t say who the fifth proposal was from.

‘You know, I’ve been married a couple times. I’m still trying to get it right,’ she said.