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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POWER TRIO

Continuing his whirlwind of social events, a dapper Will Smith and wife Jada Pinkett Smith chatted with Chelsea Clinton Thursday at the 10th Annual White Tie and Tiara Ball, a charity event for the Elton John Aids Foundation. The bash – held as Sir Elton's Old Windsor, England, home – raised more than $15 million.