Winehouse steps into the spotlight during the 46664 concert honoring Nelson Mandela in London. Plus: Rihanna & Adam Levine, Blake Lively, Mary-Kate Olsen and more

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DAPPER DUO

Kanye West and Pharrell Williams keep it casual in denim and tees as they get ready to scope out the latest trends Thursday at the Louis Vuitton men's spring/summer runway show in Paris.