See a new photo of "Euphoria" star Sydney Sweeney looking unrecognizable as boxer Christy Martin in an upcoming biopic.

The first glimpse of the film sees Sweeney — known for her long blonde hair — in the ring as the boxer. Her transformation finds her with Martin's classic dark curly locks and toned arms. Sweeney sported a white tank, long shorts with tassels, a mouthguard and red boxing gloves in the photo.

The actress gains 30 pounds and ditches her signature blonde look to embody the trailblazing boxer in TIFF-bound film, “Christy”