'Glee' Hits the Gridiron and More 'You're On the Set!' Photos!

Cory Monteith, Lea Michele, and Chord Overstreet film a football scene for Glee in L.A.

Steven Tyler, Randy Jackson, and Jennifer Lopez backstage at American Idol.

Tom Cruise on the set of Mission: Impossible: Ghost Protocol in Vancouver.

Tom Cruise and director Brad Bird on the set of Mission: Impossible: Ghost Protocol in Burnaby, BC Canada.

Simon Pegg shooting Mission: Impossible: Ghost Protocol in Vancouver.

Adam Sandler filming Jack and Jill at The Grove in L.A.

More Adam Sandler filming Jack and Jill at the Grove in L.A.

Katie Holmes filming Jack and Jill at The Grove in L.A.

Glenn Close dressed as a man on the set of Albert Nobbs in Dublin, Ireland.

Chris Pine and Tom Hardy on the set of This Means War.

Amy Adams and Jason Segel (and a mini-me muppet) filming a scene from the Muppets movie in Hollywood.

Rachel Weisz filming Deep Blue Sea.

Justin Timberlake on the set of Now in L.A.