Kristen Stewart stunned fans at the Teen Choice Awards Sunday night when she showed up wearing a black mini skirt studded with spiky metal pieces.

Looking more like a vampire slayer than vampire lover, the "Twilight" starlet donned the "Roma" dress by Rock & Republic, which features hundreds of metal spikes and plunging black V-neckline.

The actress, who looked bored and unimpressed as usual on the red carpet, also sported a black pair of peep toe ankle boots by Jerome C. Rousseau.

Stewart, 19, went on to win several awards that evening, including "Choice Movie Actress Drama" and "Choice Movie Liplock," a prize she shared with her "Twilight" co-star, hottie Robert Pattinson.

Stewart and Pattinson, who have long remained vague about rumors of their relationship status, are scheduled to begin filming the third "Twilight" movie, "Eclipse," later this month in Vancouver.