Rachel Bilson has let the news slip and a spy was there to hear it! The OC star and her mom were on a Virgin Atlantic flight when a passenger, noticing a ring on Rachel's finger asked her if she was married. Rachel laughed and answered no, only engaged! Rachel then proceeded to gush about her year long relationship with her co-star in "Jumper" Hayden Christensen. Well done you two! (People)
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