The O.C.is turning 15, andRachel Bilsonis looking back on the hit series that had Phantom Planet’s “California” on repeat in the minds of a generation.

Bilson, 36 — who shot to fame as Summer Roberts on the Fox show —posted a tributetoThe O.C.on Instagram on Sunday, exactly 15 years after its first episode aired.

Her throwback picture shows cast membersMischa Barton,Adam Brody,Melinda Clarke,Peter Gallagher, Kelly Rowan,Ben McKenzie, and Samaire Armstrong rocking early 2000s fashion. Bilson is in the center of the snap, which also included EPs McG and Josh Schwartz.

Ray Mickshaw/WireImage

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The cast ofThe O.C.

In June,Bilson gushed to PEOPLE about her time onThe O.C., which ran from 2003 to 2007. “It was such a special time,” Bilson said. “The characters were really well thought out and there was so much chemistry between everyone.”

She shared a number of her favorite moments from the show.“I laughed so hard withChris Pratt,” Bilson recalled about Pratt’s appearance in season 4. “I remember laughing my a– off. He’s seriously the funniest person I’ve ever come across.”

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She also got a kick out of herSpider-Man-inspired kiss with Brody, 38. “That was a fun one,” Bilson said. “Even now, there are moments from the show that I look back on and I’m like, ‘That was really cool!'”

RELATED VIDEO: Does Rachel Bilson Still Keep In Touch with The O.C. Castmates?

Bilson and Brody were an on-screen and off-screen couple beforethey split in 2006. Bilson now has a 3-year-old daughter, Briar Rose, with exHayden Christensen, and Brody is married toLeighton Meester, with whom he shares a 3-year-old daughter, Arlo Day.

In 2017, BilsontoldE! Newsthat she would be interested in reviving the show. “I’m always open to things,” she said. “I don’t know what it would look like with our characters being old now. We were riding skateboards on the pier; I don’t know what they do now as 30 year olds. But it would be nice to see everybody again.”

source: people.com