BT & Sal interview global star Sydney Sweeney about her intense new film, "Christy," based on the life of professional boxer Christy Martin. Sweeney dishes on the extreme physical transformation, revealing she gained 35 pounds of muscle through rigorous training and consuming excessive calories—a process she found tougher than losing the weight! She shocks the hosts by admitting the fight scenes involved real contact, leading to bloody noses and even a concussion. Sweeney also talks about her surprisingly grounded life in Idaho (living in her great-grandma's house!) and her background as a combat sports athlete before Euphoria blocked her path to a black belt. Plus, she gives an update on the end of Euphoria and teases her next big horror project.

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