Meghan Trainor stuns at gala 8 months after revealing weight loss drug use

Meghan Trainor turned heads when she showcased her body transformation while stepping out for the Baby2Baby Gala on Saturday night – eight months after revealing she was taking the weight loss drug Mounjaro.

The 31-year-old singer stunned in a strapless ivory ballgown by designer Alin Le Kal which featured a corset-style bodice adorned with silver rhinestones and a tulle skirt.

Trainor paired the dress with white opera-length gloves, a diamond choker necklace as well as diamond drop earrings.

Meghan Trainor showed off her dramatic weight loss at the Baby2Baby Gala on Saturday night. (NDZ Images/Star Max/GC; Araya Doheny/Getty Images for Baby2Baby)

The “All About That Bass” singer wore her hair styled in a sleek bun with loose strands framing her face.

MEGHAN TRAINOR SHOWS OFF WEIGHT LOSS IN NEW BEFORE AND AFTER PHOTOS

Trainor walked the red carpet with husband Daryl Sabara, whom she married in 2018. The couple share sons Riley, 4, and Barry, 2.

On Monday, Trainor took to Instagram to post photos of herself at the star-studded event at the Pacific Design Center in West Hollywood.

“I’m so honored to participate in the @Baby2Baby Gala presented by @PaulMitchell and help support the incredible work they do throughout the year, providing essential supplies to a million children in need across the country,” she wrote in the caption.

“Such a great evening to support a great cause!” Trainor added.

The singer wore an ivory ballgown with opera-length gloves. (Michael Kovac/Getty Images for Baby2Baby)

Fans quickly flocked to social media to gush over her Cinderella-inspired look.

“You are literally beautiful!!!!” one Instagram user wrote in the comments section of Trainor’s post.

“She’s a princess,” added another while one fan replied: “Beautiful.”

Trainor is pictured with Paris Hilton and Julianne Hough at the gala. (Araya Doheny/Getty Images for Baby2Baby)

Photos of Trainor also circulated on X, formerly Twitter, where social media users expressed surprise at her visibly slimmed-down physique, with some saying they didn’t recognize the Grammy Award winner.

“WHERE IS MEGHAN AND WHAT DID YOU DO WITH HER?” wrote one fan.

MEGHAN TRAINOR SPEAKS OUT ON FANS WHO SAY THEY DON’T RECOGNIZE HER AFTER DRAMATIC WEIGHT LOSS

“Who is it?!” commented another.

“Oh my god, that doesn’t look like him at all,” one social media user added.

The singer was accompanied by her husband Daryl Sabara, who previously revealed that he also uses Mounjaro. (Michael Kovac/Getty Images for Baby2Baby)

Some fans criticized Trainor’s change in appearance, with one social media user writing: “Seeing her so skinny is so weird… I have to get used to it.”

Meanwhile, others praised the singer, who has been open about her health journey.

“Good for her,” one fan wrote. “She looks much better and I’m sure she feels much better too. For a woman who has always championed the value of women feeling beautiful and sexy, I’m so happy to see her so slim and beautiful and I hope she feels light and comfortable in her body.”

In a March 31 Instagram post, Trainor admitted that she used Mounjaro, a GLP-1 drug approved by the FDA to treat type 2 diabetes but increasingly prescribed for weight loss.

After being honored at Billboard Women in Music 2025, Trainor took to social media to not only confirm her use of Mounjaro, but also to express her frustrations with the public’s attention on her body.

Trainor has been open about her weight loss journey. (Gilbert Flores/Billboard via Getty Images)

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“I feel so honored to be recognized by @billboard Women in Music as a Hitmaker – what a dream! But it’s a little disheartening that so many questions (and comments) focused on my body rather than my music, my passion, or the decade of hard work that got me here,” she captioned the post alongside photos from the event. “This is what it’s like to be a woman in the music industry.”

“No, I don’t look like I did 10 years ago. I’ve been on a journey to become the healthiest, strongest version of myself for my kids and for myself,” Trainor added. “I worked with a dietician, made huge lifestyle changes, started exercising with a trainer, and yes, I used science and support (shout out to Mounjaro!) to help me after my second pregnancy. And I’m so glad I did because I feel great.”

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“It’s about celebrating talent, growth, and the power of putting yourself first. Let’s continue to shift the conversation to what REALLY matters,” she concluded.

In March, Trainor stunned fans with her change in appearance at the Billboard Women in Music event. (Christopher Polk/Billboard via Getty Images)

During the April 10 episode of Trainor and Sabara’s “Workin’ On It” podcast, the singer’s husband revealed that he also uses Mounjaro.

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Trainor explained that she decided to take Mounjaro after consulting with her doctors and researching the drug, which she said “had fewer side effects” than other weight-loss drugs.

“So, I did it too,” Sabara, 33, said, via People magazine.

“Daryl and I do everything together,” Trainor joked.

Popular alternatives to Mounjaro, which is the brand name for tirzepatide, include Ozempic and WeGovy, both of which contain the active ingredient semiglutide.

In a March Instagram post, Trainor confirmed that she had undergone breast lift and augmentation surgery.

“I am absolutely in love with my results! I am more confident than ever and I am so happy I made this decision,” she wrote.