Mischa Barton Splits With Cisco Adler

Mischa Barton and Cisco Adler have ended their relationship.

Mischa Barton?s representative confirmed that the pair have called an end to their year and a half relationship, saying "Mischa and Cisco have decided to part ways, Mischa is moving east soon and they both have very demanding schedules."

On Wednesday, it was revealed that the former O.C. star and the rocker had ended their romance. However this was denied by Contango Records, the label that handles Adler?s band Whitestarr, who said:  "They are fine ? very happy together."

The couple had been dating since August 2005, two months after Barton ended her one year relationship with oil heir Brandon Davis. Adler, 28, was once engaged to Kimberly Stewart, daughter of Rod Stewart.

Barton will next be seen starring alongside Hayden Christensen in Virgin Territory, a film set in Italy during the Black Plague.