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

SMASHING COUPLE

Gwen Stefani (in a Vivienne Westwood frock) shares a private moment with hubby Gavin Rossdale on Sunday in L.A. at the Alice in Wonderland theme party for her solo debut, Love, Angel, Music, Baby. Earlier that night the No Doubt frontwoman opened the AMAs with her hit "What Are You Waiting For?"