Star Style: Gwen Stefani

Peek at some of the trend-setting singer's most fashionable moments, selected by PEOPLE style expert Susan Kaufman. By Serena Kappes

BLUE MOOD

"She's gone platinum, she's gone pink, she's gone fuchsia," says Kaufman of Stefani's ever-changing hair color. Add bright blue to that list at the MTV Video Music Awards (in 1998). "That's what makes her so fun." Plus, "You can't beat the furry bikini top," says Kaufman.