Theron’s breakthrough role came in 2003 when she portrayed serial killer Aileen Wuornos in the film “Monster,” a performance that earned her critical acclaim, including an Academy Award for Best Actress. This role showcased Theron’s dedication to undergoing physical transformations for her characters and solidified her as a powerhouse in the film industry. Following her Oscar win, Theron continued to take on challenging roles in various genres, including “North Country,” “Young Adult,” and “Mad Max: Fury Road,” showcasing her range as an actor.