Mischa Barton and Sebastian Knapp split - report

Mischa Barton has split from her boyfriend Sebastian Knapp after over a year together, according to reports.

The O.C. star and the British actor parted ways more than a month ago due to their hectic work schedules, but a source close to the former couple tells Perezhilton.com that their were no hard feelings.

The insider says, "It was amicable. She is concentrating on her new projects and is in production on a new film."

The split comes just months after Barton's representative denied engagement rumors after the actress was spotted wearing a gold ring on her left hand.