Chrissy Metz – 100 LBS – Blitzkrieg Weight Loss Program

Chrissy Metz has struggled with her weight ever since she was a child. She was obese, and losing weight has always been challenging for her. It was a breakthrough moment for her when she was cast in the series American Horror Story: Freakshow. When she was asked to wear a fat suit for her role, it finally hit her to do something about her weight.

Chrissy started undergoing the Blitzkrieg weight loss program, which was a challenge for her. She even faced depression most times. In the end, she lost around 100 pounds. Fortunately, she gained more motivation as she received a major role in the show This Is Us. Since 2016, Chrissy plays the role of Kate Pearson.

Kirstie Alley – 50 LBS – Extreme Diet

Kirstie Alley became popular after appearing in the 1982 film Star Trek II: The Wrath of Khan as she portrayed the role of Saavik. Back then, she was slim and had even worked as a model at that time. Throughout the years, Kirstie would eventually gain weight. However, she didn’t want to reach a point where she would become overweight.

Kirstie then hired her own instructor to help her with her exercises and paired it with an extreme diet. She lost around 50 pounds through these methods. Kirstie recently finished as a runner-up in the 22nd season of the British Celebrity Big Brother, looking as gorgeous as ever.

Christina Aguilera – 50 LBS – Strict Diet and a Fitness Routine