Heartbreaking News For Julia Roberts, we announce… See more

Her wide mouthed smile and long legs made Julia Roberts one of America’s most bankable stars.

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

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.

During the intense scene Ewan held Julia’s hand with great anticipation, as they walked down to a boat dock to identify a dead body by a Sheriff.

The Boardwalk Empire star also dressed in a dowdy fashion, donning a blue shire a brown flared trousers with her hair tied back into a ponytail.

Other stars in the 2013 flick include Benedict Cumberbatch as ‘Little Charles Aiken and Meryl Streep and Violet Weston.

The IMBd page for the motion picture states that Renée Zellweger and Andrea Riseborough were considered for a role.

Riseborough was cast but dropped out due to scheduling conflicts. Juliette Lewis replaced her as Karen Weston.

Chloë Moretz auditioned for the role of Jean Fordham, but lost to Abigail Breslin.