McAdams has another major moment at an About Time premiere in Germany. Plus: Jen & Ben, Channing Tatum, Katy Perry and more
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Published: Monday Aug 12, 2013 | 07:00 PM EDT
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Why arrive in a taxi when you can make a dramatic entrance from a foggy truck? Katy Perry steps out in smoky style at New York's Z100 radio studio for Monday's world premiere of her new single, "Roar."
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