Singer Keri Hilson arrives at the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Getty Images North America)more pics » Keri Hilson Keri Hilson
added a punch of color to the Billboard Music Awards red carpet in a chartreuse Rachel Roy mini with long sheer sleeves and a turquoise belt to cinch her waist. In case it wasn't clear already, the 70's are back, ladies and gentlemen!
This year the Billboard Music Awards reveal what happens when music and fashion collide. From Ke$ha and Nicki Minaj's zaney style selections to the refined elegance of Selena Gomez and Taylor Swift, check out the stars who made our Best and Worst Dressed list
We've spotted other celebrities with a similar look, including Kim Kardashian, Paris Hilton, and Emily Deschanel. Check out all 2808 pictures in the Cocktail Dress Lookbook
. More Dresses & Skirts Looks: