Rachel Bilson, Hayden Christensen Call Off Engagement

Rachel Bilson and Hayden Christensen have called off their engagement, her rep tells Us Weekly.

Check out photos of Bilson

Bilson, 28, and Christensen, 29, announced their engagement in February 2009.

The pair, who co-starred in the 2008 action movie Jumper, took a break in June to reevaluate their relationship, a source told the magazine.

E-mails to Bilson's and Christensen's reps were not immediately returned.