She rose to fame in 1999 appearing in blockbuster films The Sixth Sense and Notting Hill.
And actress and reality star Mischa Barton was leaning in to the casual Friday look ahead of the weekend, when she was spotted taking her pooch for a walk in Los Angeles, California.
The O.C. star, 34, sported a cream cardigan for the outing, worn over a grey strappy top and black dress.
Mischa wore her dirty blond hair in an easy bun, and had on a necklace or two.
She had her smartphone tucked next to her ear at one point to take a call, and held a yellow leash as she peered at her brown and white dog who appeared to take a seat on the sidewalk.
Earlier this week, the pair were observed partaking in a romantic meal in Pasadena.
It’s not known how long the two actors have been dating; Barton split from Australian male model James Abercrombie in August 2019, after more than two years together.
Born in London and raised in New York, Barton divides her time between the U.S. and Europe.