Rachel Bilson and Hayden Christensen dating again

New York: American actress Rachel Bilson has reunited with her ex-fiance Hayden Christensen.

Christensen, 29, and Bilson, 29 met on the sets of film ‘Jumper’ in 2007, and got engaged in December 2008, but called it off in August this year.

"They`re dating again," people.com quoted a friend as saying.

Christensen was seen leaving the former ‘O.C.’ star`s house in Los Feliz, California last week.