Her face stripped of makeup and dressed in dowdy clothing, Julia was transformed as she filmed emotional scenes for August:Osage County in in Bartsville, Oklahoma.

On set: Actress Julia Roberts and co-star Ewan McGregor were filming their new movie August: Osage County on Thursday

Hysterical performance: The brunette delivered a tearful act

The screen star – who in real life has three children with cinematographer husband Daniel Moder – layered up with a white shirt over a cream top and teamed it with loose blue jeans.

Her long brunette locks weren’t glamorously styled at all to play Barbara Weston, a character in a family that overcomes certain differences when their alcoholic patriarch goes missing.