The Best And Worst-Dressed At The Grammys

CBS may have instructed Grammy-goers "that buttocks and female breasts [be] adequately covered" in their "wardrobe advisory," but that didn't stop musicians from bringing their A-game to Sunday's red carpet for the 55th annual Grammy Awards at the Nokia theater in Los Angeles.

Couples Beyoncé and Jay-Z, Justin Timberlake and Jessica Biel and Rihanna and Chris Brown were all dressed to impress, but we can't say the same about some other stars.