Actress Sydney Sweeney opened up about her dramatic weight transformation into boxer Christy Martin for an upcoming untitled biopic, saying that her "body was completely different" after months of intense training, reported Variety.

Sydney Sweeney, who is known for her role in the `Euphoria` series, is set to play the role of the renowned female boxer Christy Martin in the latter`s untitled biopic.

Last year, the actress shared a couple of photos in which she was looking jacked and strong as she flexed her muscles.