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Meghan Trainor is sharing the "secret" behind her recent body transformation.
The "All About That Bass" singer attended the 2025 Billboard Women in Music event on Saturday (March 29) where she spoke to Entertainment Tonight about her health and fitness journey. Trainor noted that "science is the secret" to her dramatic new look as she has tried "all the things," adding that she has "learned a lot of tricks" that she didn't know before, such as how she had not been exercising the correct way for her body, per People.
"I was working out so incorrectly for so long," she said. "I was running and doing cardio and my body was inflamed, always."
In addition to adjusting the way she exercises, Trainor said she has been trying to "biohack" her body to help slow down the way her body is getting older, with the advice of medical professionals.
"So anything that'll help me age backward, I'm into it," she said. "I just learned about the [food supplement capsules] NADs. I was like, 'make me Hailey Bieber, I'll do it, I'll take it' ... I'm trying all the things. I love a doctor explaining stuff to me."
Trainor recently debuted her impressive fitness results in a series of photos shared to her Instagram. She has previously been open about her weight lifting hobby and how didn't realized how much it would "change [her] life" for the better.