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Justin Bieber, Selena Gomez, Miley Cyrus

Getty Images; Startraksphoto.com

We're gearing up for tonight's 2013 Billboard Music Awards in Las Vegas!

We'll be on the red carpet chatting with stars like Miley Cyrus, Selena Gomez, Justin Bieber and more.

The big night will included performers and presenters like Prince, Ke$ha, Carly Rae Jepsen, CeeLo Green, Kelly Rowland, Shania Twain and many more. Madonna will also be on hand to accept the Top Touring Artist Award.

While we wait for all the stars to step up tonight, check out all our favorite celebs partying in Vegas!