U2 singer kisses the stomach of Gwen Stefani, who is pregnant with her first child, Feb. 8 onstage at the 48th annual Grammy Awards in Los Angeles. U2 swept the event, taking all five trophies for which it was nominated, including the prestigious album of the year honor for "How To Dismantle an Atomic Bomb." Stefani's solo debut, "Love. Angel. Music. Baby." was also nominated for that award.