But as she filmed alongside Ewan McGregor the 44-year-old was unrecognisable as the actress who made her name as Vivian Ward in 1990’s Pretty Woman.

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 Read more below