Shia LaBeouf: Funny Faces for 'Transformers' Scenes!

Shia LaBeouf makes a hilarious face in between takes of scenes for Transformers 3 on Saturday (July 31) in Chicago, Illinois.

The 24-year-old actor, who reprises his role as Sam Witwicky, battled Patrick Dempsey in a fight scene.

Later, Shia filmed with Tyrese Gibson and Josh Duhamel, who carried huge guns and looked skyward.

Earlier in the week, Rosie Huntington-Whiteley was spotted posing atop a massive pile of rubble!

20+ pictures inside of Shia LaBeouf shooting Transformers 3 scenes…