On Sunday night, MTV broadcast their Euro Music Awards from Belfast, Ireland. (We were there with our friends from Swatch - check out our Twitter feed to see a play-by-play from the show.
Selena Gomez hosted, and changed her outfit nine times. Gaga clocked in at four - so did performer Jessie J. - while Bruno Mars and Justin Bieber each got two wardrobe changes, and Katy Perry managed to stay in just one look. (A powder-pink studded leather jacket and dress from her friend Jeremy Scott.)
Click through to see our Top Eight Best Dressed, and let us know if you have a different favorite. As usual, if enough people vote someone into the list, we'll add them as a people's choice award!