The 12 Craziest Weight-Loss Celebrity Transformations of 2025 (5 of 7)

Rebel Wilson

Rebel Wilson has been in a state of transformation for several years now, but 2025 marked a striking chapter in her evolution. Appearing more confident and refined than ever before, Wilson has evolved into her new personal style paired with growing self-confidence. Her public presence is much more grounded and calm, which could signal a shift in not just her appearance but how she internally carries herself.

Kelly Osbourne

Kelly Osbourne has never shied away from reinvention, but her 2025 transformation feels especially headline-worthy because it’s layered, intentional, and visibly hard-earned. After years of being scrutinized for her body, style, and attitude, Kelly emerged this year looking sharper, calmer, and noticeably more self-possessed. The change isn’t just physical—though her dramatic weight loss and refined fashion sense sparked instant buzz—but emotional, too. She’s spoken openly in the past about sobriety, mental health, and breaking cycles she grew up around, and that long-term inner work now shows on the outside. Motherhood has also reshaped her priorities, giving her less patience for chaos and more focus on stability. What makes this transformation stand out in 2025 is that it doesn’t feel performative or trend-chasing. It reads as a woman finally living in alignment with herself—no shock tactics required, just consistency, boundaries, and growth that took years to build.