Casual in sweats, Tatum's ready for takeoff in L.A. Plus: Katy & Russell, Justin Bieber, Jessica Alba and more
Credit: Hammond/Despois/Splash News Online
Published: Wednesday Dec 23, 2009 | 05:00 PM EST
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Days after shopping together in East London, Katy Perry and comedian boyfriend Russell Brand raise the adventure level a bit, hitting London's Hampstead Heath for a sled ride Wednesday.
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