Meghan Trainor recently left fans divided after she changed a lyric in one of her most popular songs following Mounjaro-induced weight loss. The 31-year-old singer has been candid about losing weight via medical intervention, using the drug - which has traditionally been used to treat Type 2 diabetes - as a weight management tool.

In the first head-to-head trial of its kind, people with obesity who took tirzepatide (sold under the brand names Mounjaro and Zepbound) lost more weight and inches from their waist than those who took semaglutide (Ozempic,

Meghan Trainor and her husband, Daryl Sabara, opened up about using Mounjaro — combined with a strict diet and exercise — for weight loss. Here's everything the singer has said about her weight loss journey.

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Tirzepatide is more effective than semaglutide for weight loss, according to a new study on GLP-1 medications ; The study was funded by Eli Lilly, the pharmaceutical company that

Meghan Trainor changed the lyrics to her body-positive hit "All About That Bass" during a recent performance in the wake of her weight loss. The 31-year-old singer performed the song on May 10 at iHeartRadio’s KIIS-FM Wango Tango concert in Huntington Beach, California, and included some altered lyrics.

Often used as a weight-loss treatment, drugs such as Wegovy and Mounjaro have helped more than 500,000 people shed the extra pounds. The medications, known as semaglutides, predominantly treat diabetes but are also available on the NHS or via private providers to help adults with a high body mass index (BMI).

Meghan Trainor showed off her new body in a two-piece set at iHeartRadio's 102.7 KIIS FM Wango Tango in May 2025 after revealing that she's taking Mounjaro and got a boob job.

Users of Mounjaro have reported multiple side effects, but one man on TikTok explains why he plans to keep fighting obesity with it.