Rachel Bilson and Hayden Christensen are engaged! Page Six reported the possible engagement first, as Rachel was spotted on a flight from LA to JFK with a ring on her finger. Another passenger apparently asked if she was married, and she replied, "I'm not married yet, just engaged. I know I look like I'm 15, but I'm actually 27."
Rachel's friend told People the Jumper costars got engaged in December, saying: "They're so excited. They're a great couple. Rachel seems thrilled beyond belief."