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  • BUDDY UP photo | Joseph Gordon-Levitt, Seth Rogen

Credit: Dave Allocca/Startraks

Updated: Tuesday Sep 27, 2011 | 05:00 PM EDT

BUDDY UP

Costars Seth Rogen and Joseph Gordon-Levitt celebrate the N.Y.C. premiere of their new flick, 50/50, Monday night in New York City. The dramedy opens in theaters Friday.