Meghan Trainor's transformation is once again in the spotlight after a red carpet appearance at Peacock's The Paper premiere had fans buzzing. But for the Grammy winner, it's been more than just a physical change - it's been about feeling her best and embracing a new chapter. What Has Meghan Trainor Said About Her Weight Loss Journey? In March 2025, Trainor revealed her fitness progress was the result of a combination of factors - including healthier eating habits, regular workouts, and the weight loss drug Mounjaro after an appearance at the Billboard's Women in Music Awards.