07/15/2014 01:20 EDT | Updated 07/15/2014 01:59 EDT

Cressida Bonas Is Casual Cool In White Overalls

Cressida Bonas isn’t letting her breakup with Prince Harry slow her down.

The 25-year-old was spotted leaving the Rosemary Branch Theatre in London last night after she appeared in “There’s A Monster In The Lake.” Bonas showed off her casual, cool style as she sported baggy, white overalls and matching canvas plimsolls. The aspiring actress also let her blond hair fall freely over her shoulders as she stepped out, looking comfy and tanned.

Bonas’s acting debut was made in front of roughly 30 people, which included her family and a few high-profile people such as Prince Harry’s longtime friend Guy Pelly and British reality star Richard Dinan.

According to reviews, it appears Bonas stole the show, but you couldn’t tell by her calm demeanor as she left the theatre. The young actress just seemed content, which is really all anyone can ask for.

Check out more of Cressida's style below.

Cressida Bonas