Rachel Bilson and Hayden Christensen are engaged. Rachel and Hayden have been dating since 2007 when they met on the set of that really crappy movie Jumper. While the two haven’t come out and publicly and admitted their engagement, a spy on the same flight as Rachel noticed her engagement ring and overheard her talking about it.

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The spy tells Page Six:

 
 

Hollywood hottie, Rachel Bilson reveals in her latest interview with InStyle November 2008 that she’s ready to be knocked up more so than getting married! So who’s the daddy, her current boyfriend and her Jumper co-star, Hayden Christensen? Lucky fellow! She’s a cutie, isn’t she?  In fact, these two make a wonderful couple.

more photos after the jump…

Rachel Bilson told Instyle magazine:

 
 

Rachel Bilson wants to elope.  Wait a minute – is she even engaged???  Nope, so don’t worry single guys, there’s still a chance for you!

More pictures after the I Dos…

Rachel has been dating Hayden Christensen since last year, but the pair aren’t engaged…yet.  So isn’t it a little premature to be talking weddings?  Yeah, but Rachel was thinking about it since her 27 year old biological clock is probably ticking.  She wants a low-key affair. 

 
 

Rachel Bilson with her rumored boyfriend, Hayden Christensen in Toyko for the Japanese premiere of their new film, Jumper.  While her former O.C. co-star Mischa Barton deals with the consequences of being a big pot head. Jumper so far is a big box office success worldwide.

Bilson shows off her new bangs. Do you like  her new hairdo? I do, I think she’s really sweet and cute.

photos provided by PR Photos