Rachel Bilson Sports Bikini At Beach With Hayden Christensen (PHOTOS)

04/16/2013 04:42 pm ET | Updated Apr 17, 2013

Looking good, Rachel Bilson!

The brunette beauty, who memorably played Summer Roberts on "The O.C.," was svelte as ever as she hit the beach in Barbados with beau Hayden Christensen this weekend, and then again today (April 16).

Though the 31-year-old "Heart of Dixie" actress was recently mistaken for a child at the airport, she seems all grown up, to us.

Bilson recently discussed her style with Cosmopolitan, telling the magazine she's not opposed to showing some skin when spending a night out with Christensen. “Guys are so visual," she said. "I can never go wrong with a tight dress or a short skirt.”

rachel bilson bikini

rachel bilson bikini

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