By John Young
Updated August 09, 2010 at 12:00 PM EDT

Rachel Bilson and Hayden Christensen have officially called off their engagement, Bilson’s rep told People. Distance was reportedly one of the reasons for the split, with Bilson living in Los Angeles and Christensen staying in Canada. The two actors met in 2007 on the set of the movie Jumper and got engaged in December 2008.