A common consequence of losing significant weight swiftly is the visible change in one’s facial appearance, often referred to as “Ozempic face.” This phenomenon can manifest as saggy skin, hollow eyes, and sunken cheeks. After shedding 60 pounds, Trainor began to exhibit some of these characteristics. In a photo taken in November 2025, her face showed the sagging skin around the mouth typically linked with this condition. Observers on social media also speculated about the tautness of her facial skin, with some questioning whether cosmetic surgery played a role.

On Reddit, speculations abounded. “I’m not sure whether it’s the weight loss or too much Botox? A facelift pulled too tight? Her body looks fit, but her face looks a bit severe,” one user commented. Others suggested that the drastic facial changes were primarily due to the weight loss. “She has the kind of facial structure and features that need more fat on it — right now her face looks like a skeleton,” another user remarked. Despite the mixed opinions, Trainor remains proud of her health accomplishments.

Before joining the ranks of celebrities whose appearances have been markedly transformed by weight-loss medications, Trainor was celebrated for her body-positive stance. Her breakout single, “All About That Bass,” delivered a powerful message embracing larger body types. With lyrics like “Yeah, it’s pretty clear, I ain’t no size two / But I can shake it, shake it, like I’m supposed to do,” Trainor resonated with many. She further emphasized her stance with, “You know I won’t be no stick-figure, silicone Barbie doll.” Her evolution continues to spark conversations about body image and health in the public eye.

Before she joined the list of celebs who look dramatically different after taking weight-loss drugs, Trainor was known for her body-positive messages. The singer burst onto the scene with the release of her single “All About That Bass,” which was a celebration of bigger bodies. “Yeah, it’s pretty clear, I ain’t no size two / But I can shake it, shake it, like I’m supposed to do,” she sings. Later in the song, she proudly declares, “You know I won’t be no stick-figure, silicone Barbie doll.” 

So, when Trainor debuted a thin figure, some of her fans were critical. The backlash hurt her, but she defended her decision to lose weight. “I’ve never felt better, and I look incredible. I feel great. And that’s when people attack me,” she told ET in November 2025. Trainor has been open about the journey that led her down the weight-loss track. When she was pregnant with her first child in 2020, she was diagnosed with gestational diabetes.

She managed the condition through diet, and that’s when she became more knowledgeable about nutrition. “I was like, ‘Oh, I got to learn about health and fitness,” she said on 102.7 KIIS FM in 2025. After losing weight, she saw improvements in her overall health and energy levels, so she continued to make lifestyle adjustments to maintain it. “I just want to feel good, because this job is hard to do if you don’t feel good,” she explained. “But I got a lot of hate for being thinner. So that confused me and rattled me.”