Rachel Bilson Engaged to Hayden Christensen

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Happy news came from Hollywood couple Rachel Bilson and Hayden Christensen. The former star of "The O.C." and her longtime boyfriend got engaged secretly over the holidays, reports People.

According to a friend of the actress, Rachel and Hayden, who costarred in 2008's "Jumper", got engaged in December. "They're so excited," says the pal. "They're a great couple. Rachel seems thrilled beyond belief." But no wedding date has been set.

It's New York Post's Page Six that first reported the engagement news. When contacted, Rachel's representative told People, "I don't comment on my clients' personal lives." A rep for Hayden also had no comment.

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