Sienna Miller opts for a laid back look in denim dungarees as she steps out for a stroll

She is an A-list actress known for her glamorous sense of style.

And Sienna Miller opted for a more laid back look as she stepped out for a stroll in London on Friday.

The actress, 40, cut a casual figure in a pair of blue denim dungarees which she wore over a white sleeveless top.

Casual: Sienna Miller opted for a more laid back look as she stepped out for a stroll in London on Friday

The film star also sported a pair of brown suede open-toed shoes for the day and carried a beige handbag.

Looking in good spirits on the outing, Sienna complimented her outfit with a pair of gold hoop earrings.

Styling her blonde locks into an updo, she completed her look with a gold necklace and a pair of sunglasses. 

The outing comes after Sienna and Sam Worthington announced they have teamed up with Kevin Costner for his new project, Horizon.

Style: The actress, 40, cut a casual figure in a pair of blue denim dungarees which she wore over a white sleeveless top

Outfit: The film star also sported a pair of brown suede open-toed shoes for the day and carried a beige handbag

The Oscar winner, 67, co-wrote the script for the epic historical drama, which will begin production in Utah on August 29.

In addition to starring in the film, he will also direct, produce and finance the wide-ranging story, which takes place over a 15-year period of expansion pre and post Civil War, according to Deadline.

The upcoming Western will mark the Yellowstone star’s first time stepping behind the camera since 2003’s Open Range.

Sienna expressed her delight with the casting, saying, ‘I am so excited to go on this epic journey with such a legendary actor and director at the helm.

‘The story is riveting. I am very honored to be a part of it.’

New role: The outing comes after Sienna and Sam Worthington announced they have teamed up with Kevin Costner for his new project, Horizon (pictured in August 2022)