Rachel McAdams and Michael Sheen split after over 2 years together

michael-sheen-rachel-mcadams-gi.jpg"The Notebook" star Rachel McAdams has ended her two-year relationship with "Midnight in Paris" co-star Michael Sheen, sources confirm to Us.

The couple went public with their relationship in October 2010 while promoting the film, though McAdams has said that they were not romantically involved while filming.

Though there's no word yet on what caused the breakup, distance may have been a factor -- Sheen splits his time between Wales and Los Angeles, while McAdams lives in Toronto. "Michael and I never spend more than three weeks apart -- we rack up a lot of air miles -- but you have to be quite adaptable in this business whether you are in a relationship or not," McAdams told Stella magazine of their relationship.
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