Michael Sheen and Sarah Silverman hold hands in LA

Michael Sheen and Sarah Silverman have confirmed rumors they are dating by holding hands during two separate outings in LA.

The couple grabbed a bite to eat at Cafe Midi with friends on Saturday, where they engaged in some serious mid-meal PDA. "They seemed very happy," an eyewitness tells E! News.

They were also seen walking hand-in-hand during a "leisurely stroll" on Sunday.

The couple were first linked after they attended Sheen's 45th birthday party together in early February. Arriving and leaving in the same car, Silverman, 43, and Sheen celebrated at Craig's restaurant with guests including Lizzy Caplan, Kate Hudson, Demi Moore and Sheen's ex Kate Beckinsale. The couple were later spotted at Soho House, where they "were all over each other for a lot of the night."

Silverman and Sheen are both known to stay friendly with their exes. Silverman, 43, has said of ex Jimmy Kimmel: "We were together for so long and tried our best to make it work. I can think of him now and don't have that edgy feeling anymore. I just love him to pieces."

Meanwhile, Kate Beckinsale, 40, has said of Sheen:  "He's absolutely one of my most favourite people ever. I love him dearly - I would miss him dreadfully if he wasn't in my life. He's one of the most thoughtful, principled people and Lily is so lucky to have him as a dad."

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