Photo SpecialHot Trend: Retro Fashion

See Christina Aguilera, Johnny Depp, Beyonce and eight other stars who take inspiration from the styles of decades past. By Serena Kappes

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USHER: '20s

Usher loves looking dapper, and what better decade to draw inspiration from than the 1920s? The singer sports a double-breasted waistcoat and two-toned shoes along with some modern bling at the Grammys (left) while his 26th-birthday party suit (right) is a "very early Fred Astaire look," says Kaufman. "The top hat, the white gloves, the cane, the longer jacket – it's that kind of free-swinging, '20s party mode."

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