Reports surfaced a couple months ago that the duo were on a break, but now the split is permanent. "Yes, the engagement is off," Bilson's rep tells PEOPLE, but declined to provide details on the breakup.
Distance was reportedly one of the main reasons for the split. With Bilson primarily in L.A., and Christensen in Canada, "It just wasn't working out," says a pal of the actress.
Now Bilson is "focusing on her career, spending time with her family and just moving forward," adds the friend.
Christensen, 29, and Bilson, 28, met on the set of Jumper in 2007, and got engaged in December of the following year.