Billboard Music Awards 2013: Justin Bieber Acts Out

At last night's Billboard Music Awards, Justin Bieber performed twice, received two awards, and... got booed. Yes, you read that correctly. While accepting the Milestone Award (for whom he beat out Bruno Mars and Taylor Swift), the Biebz stated that only his music and his "craft" should be considered, not "the other bull." He went on to say, "This is not a gimmick. I'm an artist and I should be taken seriously." Whatever happened to gracious, appreciative acceptance speeches? Well, they seemed to go out the window around the same time 19-year-olds started arriving hours late to their own concerts and had seemingly ill-managed net worths of $110 million.

In other news, the fashion set absolutely dressed for the occasion in fun, playful dresses to show off on the blue carpet. Who topped our BBMA best dressed list? See below!

Emmy Rossum in Zuhair Murad:

Jennifer Morrison in Kristian Aadvenik:

Selena Gomez in Atelier Versace:

Chloë Grace Moretz in Fendi:

Taylor Swift in Zuhair Murad: