Mischa Barton looks fit in an Instagram post she shared on Sunday

By Gabrielle Olya
Updated August 01, 2016 03:20 PM
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Credit: Source: Mischa Barton/Instagram

Looking good Mischa Barton!

The actress, 30, showed off her toned tummy in a white two-piece swimsuit in a photo she posted to Instagram on Sunday. She topped off her look with a hat and a long, open, star-print cardigan.

“Rocking my girl @valemicchetti’s hat. Sunny Cali,” Barton posted along with the photo, taken in Malibu.

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This isn’t the first time Barton has flaunted her physique on social media.

In July, the former The O.C. star shared a topless photo from Greece.

“Island vibes #Mykonos #Censored,” she captioned the sexy snap.

Barton – who has struggled with her weight and body issues in the past – credits her stint on Dancing with the Stars with helping her to get back in touch with her body.

“I’ve noticed a difference in my body,” Barton wrote in her PEOPLE blog in March. “I don’t think I’ve lost weight, but I can feel my body opening up, and I just feel more in tune with my muscles.”