Hollywood is starting to wind down for the holidays but some stars are still hard at work on set. Taylor Momsen kept busy with Gossip Girl in NYC while Courteney Cox played around on Cougar Town in LA. Cameron Diaz and Tom Cruise wrapped up their work on Knight & Day in Spain but back in California Matt Lanter hit the beach for a hard day's work. Check out all the stars on set this week!
Stars on the Set This Week!
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