Christina Aguilera rocked nothing but her “birthday suit” to celebrate her 44th birthday.

The “Beautiful” hitmaker left little to the imagination, posing in only leather hot pants, a black hat and heels, in the photo shared to Instagram on Wednesday.

“Birthday Suit #44,” she captioned the black-and-white shot.

Christina Aguilera rang in her 44th birthday on Wednesday by sharing a sultry photo of herself. Instagram/xtina

“Birthday Suit #44,” Aguilera captioned the black-and-white shot of herself. Instagram

The mother of two wore her platinum blonde tresses in big curls underneath a leather hat and covered her bare chest with her right hand.

Many fans flocked to the comments section to gush over the pop star’s steamy post.

“Getting older in years, but younger in appearance is what I’m talking about!!!! 🫶🏾,” one person wrote.

“Oh honey that are not doing like you!!! Fabulous! Happy Birthday Queen ✨🤩😍🥳,” another added.

The “Beautiful” singer, pictured here in 2021, wore nothing but leather hot pants, black heels and a hat.

Aguilera’s birthday post comes four months after she dismissed rumors that she was on Ozempic to slim down. Getty Images

The “Genie in a Bottle” singer’s skin-baring birthday post comes four months after she dismissed the rumors that she was taking Ozempic.

“I have a maturity now where I just don’t give a f–k about your opinion. I’m not going to take it on,” she told Glamour in her August cover story.

“It must be your responsibility to take up your space. Other people’s opinions of me are not my business.”

“I have a maturity now where I just don’t give a f–k about your opinion. I’m not going to take it on,” she told Glamour in her August cover story. WireImage

Aguilera also addressed having her body picked apart since a young age. WireImage

The former “Voice” judge also addressed having her body critiqued by others while growing up in the public eye.

“When you’re a teenager, you have a very different body than when you’re in your 20s,” Aguilera said.

“I started to fill out, and then that was unacceptable because it was like, ‘Oh, she’s getting thicker.’ Then I had industry people: ‘They liked your body and how you were as a skinny teenager.’”

“When you’re a teenager, you have a very different body than when you’re in your 20s,” the “Burlesque” star, seen here in 2023, said. xtina/Instagram

Aguilera sparked Ozempic speculation earlier this year with her dramatic weight loss. Instagram/@xtina

Speculation about the musician using Ozempic — which has become popular among celebrities for weight loss — began in May after she debuted a much-slimmer figure at a concert in Mexico.

Aguilera also sparked concern with her fans in September after she shared a video with a visibly smaller figure.

“I don’t think she works out. She just doesn’t eat,” one person suggested, while another said she was “too thin.”