Lady Gaga won four awards, including best female and biggest fans, a newly created category that celebrates artists with the most committed fan base. Her hit single "Born This Way" won best video and best song.
Slideshow: MTV EMAs
CLICK FOR PICS!
"I knew that this song was very special when I first wrote it," she told the audience upon receiving the best song prize. "This is the single most important song that I've ever written, the single most important album, and until now the single most important moment."
A subsequent live performance of "Marry The Night," which saw the artist singing atop a giant half-moon stage set wearing a blue circular face mask, ended with Gaga mooning the 8,000 strong crowd.