She’s long been considered a fashion icon.

But Jennifer Lopez appeared to make a rare fashion misstep on Thursday when the 49-year-old singer arrived on the set of her latest music video in a bizarre outfit.

The Jenny From The Block songstress rocked drop-waist trousers with a tailor-made thong peeping out the top.

A belt don’t cost a thing: Jennifer Lopez appeared to make a rare fashion misstep on Thursday when the 49-year-old singer arrived on the set of her latest music video in a bizarre outfit

The skimpy gray underwear appeared to be made of material matching her pants.

The Out Of Sight actress’ underwear were made even more visible by the addition of a white crop top.

Around her neck and wrists were a bevy of heavy gold and silver chains.

The former backup dancer wore her straight blonde tresses loose and with a center part.

Peep show! The Jenny From The Block songstress rocked drop-waist trousers with a tailor-made thong peeping out the top

Showing her Booty: The skimpy gray underwear appeared to be made of material matching her pants

Top of the crops! The Out Of Sight actress’ underwear were made even more visible by the addition of a white crop top

Collaborators: Jennifer reteamed with her Dinero cohort, DK Khaled [L], for the new music video

The video is likely for her forthcoming single Limitless, which the pop star performed at the American Music Awards last month.

The song is from J-Lo’s new film, Second Act, which co-stars Vanessa Hudgens.

The I’m Real hitmaker recently teased the new single on her popular Instagram account, captioning a photo of herself with her kids with an advert.

‘You are my sunshine… #limitless #availablethisfriday. #videocomingsoon #secondact’

Good hair day: The former backup dancer wore her straight blonde tresses loose and with a center part

Hugging it out: J-Lo embraces the All I Do Is Win hitmaker

No dress code: DJ Khaled – whose full name is Khaled Mohamed Khaled – looked comfortable in sweat pants and a black T-shirt

The sighting comes after the singer told the December issue of InStyle magazine she looks good at her age because ‘I’ve taken care of myself and it shows.’

And Jenny-Lo shared some of her tips: she does not drink caffeine, she avoids alcohol and she gets lots of sleep. Often the siren is in bed by 10 pm.

But even though she weight trains almost every day, she says she still gets pain in the middle of her back.

Lopez also touched on growing up with more curves: ‘In my family, curves were glorified and part of the culture. It was just like, Jennifer has a big butt, and it’s good,’ she said.

Cross-promotion: The I’m Real hitmaker recently teased the new single on her popular Instagram account, captioning a photo of herself with her kids with an advert

Low rise: Jennifer carried a certain Miami elegance, mixing trousers and a white t-shirt

Off the bus: From the moment she stepped off her bus, JLo looked stellar.

On set: Her well-toned abs were immediately visible as she walked into the abs