Tonight are the 2011 Billboard Music Awards, and in these pictures from the red carpet, fans can see all of their favorite pop stars posing for pre-show pictures. The 2011 Billboard Music Awards are being held at the MGM Grand Arena in Las Vegas, Nev., and a bevy of celebrity guests from all aspects of the entertainment industry will be showing up to honor the award finalists.

Finalists like Taylor Swift and Taio Cruz to performers like the Black Eyed Peas and Nicki Minaj hit the red carpet -- or should we say white carpet in this case --- to show off their amazing, and in some cases, outrageous outfits. Scroll through our gallery of pictures from the red carpet at the 2011 Billboard Music Awards and let us know which music star is dressed to perfection.