The singer turned author promotes his new memoir. Plus: Usher, Eminem, Britney Spears and more

HEY, BABY

Gwen Stefani and husband Gavin Rossdale make a bellisimo couple as they take an after-dinner stroll Wednesday through Rome, a day before they attended the MTV Europe Awards there. Stefani's debut solo album, Love, Angel, Music, Baby, hits stores Stateside on Nov. 23.