Sydney Sweeney Gains 30 Pounds of Muscle in 3.5 Months for Christy Martin Boxing Biopic: “I Was Crazy Strong”
Sydney Sweeney has undergone a dramatic physical transformation for her role as boxing champion Christy Martin, gaining over 30 pounds of muscle through months of intense training. The 27-year-old “Euphoria” star recently revealed she couldn’t fit into her regular clothes during filming. “My body was completely different,” Sweeney told W Magazine in June 2025. “I ...