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Rebel Wilson has been very open about her health journey. Back in 2020, she called it her “year of health” and went on to lose almost 36 kilos. But now, at 45, she admits that the journey is still ongoing. With long work hours, promoting her memoir Rebel Rising, and adjusting to motherhood, Rebel recently shared that she gained about 14 kilos back. “Working really hard has meant that, coz of all the stress, I’ve gained 30 pounds! It makes me feel bad about myself…it shouldn’t…but it does,” she wrote on Instagram last year.
Wanting to get back on track, she started a six-week challenge in April 2025, telling fans that her goal is simply to become a healthier version of herself.
When she first began her transformation, Rebel shifted her mindset. She said she used to turn to food for comfort and would often eat around 3,000 calories a day, mostly carbs. During her reset, she changed to smaller portions and a protein-focused diet with foods like chicken, salmon, tacos made with lean beef, and protein shakes. She also made walking part of her daily routine and added strength training. Tests even showed that walking was the most effective way for her to lose body fat. By the end of 2021, she was down over 35 kilos, her health improved, and she even began receiving more serious acting roles. “I think I kind of untypecast myself by losing weight,” she admitted in a 2025 interview.
Her decision to take her health seriously was also tied to her fertility journey. Rebel has PCOS, a condition that can make it harder to conceive. In 2019, a doctor told her that losing weight would help her chances with egg retrieval. She followed through, and in November 2022, she welcomed her daughter Royce via surrogate with her fiancée, Ramona Agruma. But life as a new mom, paired with constant travel and less sleep, made it harder to maintain her weight. “I had just gained weight from the lack of sleep and from the change in my lifestyle,” she admitted.
Rebel has also been upfront about using Ozempic to help control cravings. “Someone like me could have a bottomless appetite for sweets, so I think those drugs can be good,” she shared in 2024. Still, she warns younger people not to obsess too much over looks and to focus instead on health.
Through all of it, Rebel keeps her approach realistic. She believes in body positivity but also in taking care of herself. “Weight health means being the healthier version of myself,” she said. “You can believe in body positivity and still believe the best thing to do for yourself is to lose weight.”
Her story continues to resonate with people because it’s not about being perfect. It’s about progress, self-care, and finding a balance that works long term.