Blanchett debuts her post-baby body at the Cannes International Film Festival. Plus: Christina Aguilera, Amy Winehouse & Pete Doherty, Beyoncé and more

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STRIKE A CHORD

John Mayer communes with his guitar – and his audience – Tuesday during a performance at the Orange County Convention Center in Orlando. The singer also made time for Jennifer Aniston, stealing a backstage kiss before returning for his encore.