Jumping for Joy

A secret engagement?! Love it! Rachel Bilson and Hayden Christensen managed to keep their exciting news from us since he popped the question back in December! "They're so excited," a friend of the couple tells People. "They're a great couple. Rachel seems thrilled beyond belief." We don't blame her. The couple met on set in 2008 while filming Jumper and we totally called it by naming them one of Hollywood's most romantic couples!

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