BARTLESVILLE, Oklahoma - A resident in Bartlesville made a big celebrity sighting Thursday.

George Clooney snapped a picture with a fan in a Bartlesville store.

The A-lister is a producer on the film, August: Osage County, which is filming now in Bartlesville and Pawhuska.

The film is being directed by former ER and The West Wing director John Wells, and stars Meryl Streep and Julia Roberts.

Principal filming starts next Monday, and with such a star-studded cast, more celebrity sightings are sure to come.