John Stamos, Eli Roth, Darren Criss, and Lena Dunham all came to sets armed with cameras this week. Glee's Matthew Morrison snapped a pic with a snazzy-looking Damian Lewis, and J.J. Abrams crashed Downton Abbey's kitchen — but thankfully left all its eggs intact. Check out those pics and everything else that went down behind the scenes this week.
Fun Behind-the-Scenes Pictures From Stars This Week
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