See music's sweetest pairs at the American Music Awards. Plus: Scarlett Johansson, Colin Farrell and more.

BRIGHT LIGHTS

Jessica Simpson and Nick Lachey illuminate the red carpet Sunday with their megawatt smiles at the 32nd Annual American Music Awards in Los Angeles. Simpson, who was up for three awards but went home empty-handed, performed "With You" in her bare feet while her hubby presented the award for favorite pop duo to OutKast.