It was a busy week on TV and movie sets, and we're rounding up some photos of our favorite celebrities who were hard at work. Jon Hamm was back to Mad Men after living it up during Emmy weekend, Rihanna started filming her big-screen debut in Battleship, and Channing Tatum got soaking wet on the set of The Vow. Click through to see all the stars on set this week!
Jon Hamm, Rachel McAdams, and More Stars on the Set This Week!
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