Hathaway is all dressed up for a jewelry party in L.A. Plus: Robin Thicke, Céline Dion, Matt Damon, Kim Kardashian, Kanye West and more

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Robin Thicke shows off his biker skills on Wednesday while filming his new music video in Los Angeles. No word yet on if this clip will be as risqué as "Blurred Lines" – or a nod back to Lily Allen.