But it looks like actor Michael Sheen may have already moved on with yet another of his co-stars, after being spotted out on what looked like a romantic date with actress Caitlin Fitzgerald.
The pair, who have just worked together on forthcoming TV show Masters Of Sex, seemed to be enjoying a low-key day together as they drove around Malibu before stopping for lunch.
New relationship? Michael Sheen and Master Of Sex co-star Caitlin Fitzgerald were spotted having lunch in Malibu, sparking speculation of a new romance
But it looks like he's enjoying the company of female companions again as he moves on from his heartbreak, looking cosy with his co-star.
Meeting up in the middle of town, the pair put their arms around each other and kissed on the lips, clearly excited about seeing each other.
Pucker up: The co-stars exchanged a kiss on the lips as they met up in the middle of town during their day off
Just good friends? The pair seemed happy to see each other, before jumping in the car for their day out
They laughed and chatted as they zoomed around town before stopping off at Malibu eatery for a spot of lunch together.
Rising star Caitlin, who had previously had roles in Gossip Girl and It's Complicated, looked stylish in a black and white polka dot mackintosh and flat white brogues.
Hop in! The acting pair then both got into Michael's vintage silver Jaguar to take it for a spin
Moved on? Michael seemed to have got over his heartbreak from his split form Rachel McAdams as he drove around town with Caitlin