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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BABY CARRIER

Christina Aguilera only has eyes for her precious cargo, 4-month-old son Max, while strolling in New York City late Tuesday. Also along for the walk: husband Jordan Bratman (not pictured), who wrangled their coterie of dogs.