Kristen who? Robert Pattinson parties like a single man

Robert Pattinson has been letting his hair down

Just three weeks ago, Robert Pattinson was holed up at pal Reese Witherspoon's ranch, moping over the state of his relationship and refusing to take calls from his cheating girlfriend Kristen Stewart.
But R-Pattz isn't one to let a woman get him down for long - he's put his heartbreak behind him and hit the party scene.
Now's spies gatecrashed the aftershow party for the New York premiere of Cosmopolis at the PH-D bar last Monday - and we were thrilled to see Robert, 26, back on fine form, even chatting up a mystery blonde.
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