Rachel Bilson and Hayden Christensen Get Back TogetherIt's back on! After taking some time apart over the summer, Rachel Bilson and Hayden Christensen are dating again, PEOPLE reports.

The couple, who met on the set of 'Jumper' in 2007 and got engaged the following year, decided to take a break from their relationship in June and officially called it quits in August.

Following sightings of Christensen leaving Bilson's California home, a source tells PEOPLE that the pair have rekindled their romance. "They're dating again," the source reveals.