Emma Roberts covers her mouth in shock as she films We’re The Millers with Jennifer Aniston on Wednesday morning (July 25) in Wilmington, North Carolina.

The 21-year-old actress stars as Julia in the flick, one of the fake children of a veteran pot dealer who creates a fake family as part of his plan to move a huge shipment of weed into the U.S. from Mexico.

PHOTOS: Check out the latest pics of Emma Roberts

Will Poulter and Jason Sudeikis also star in the comedy.

10+ pics inside…