A dynamic portrayal of Supergirl, a popular DC Comics superhero. She is depicted in a powerful pose, her right arm raised in a fist, and her left arm extended forward. She wears her iconic blue and red costume with the 'S' logo prominently displayed on her chest. Her long, flowing blonde hair flows freely, and she has a determined expression. The background is a gradient of blue, with streaks of white light emanating from her, creating a sense of motion and energy. The image's cinematic style emphasizes action and heroism.