The hip-hop star, real name Mathangi Arulpragasam, picked up the video of the year, best pop video and best styling honors for her controversial Bad Girls promo, which features machine gun-toting Arab fighters.
Filmmaker Romain Gavras, who helmed the clip, was named best director at the ceremony in London.
Lana Del Rey's Born To Die was voted best international pop video, while The Shoes' Time To Dance won the best U.K. dance video.
French electronic music stars Justice landed best art direction and design in a video for Newlands, British pop star Will Young took the choreography prize for Losing Myself, and best cinematography went to Feist's The Bad in Each Other.
The U.K. Music Video Awards editorial director David Knight says, "The winners at the MVAs this year show that the medium is as vibrant as ever as an art form, a promotional tool for music, and as pure entertainment."
Photo Credit Getty Images