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After nearly four years of dating, Sarah Silverman and Michael Sheen have called it quits.

The comedian, 47, broke the news Monday afternoon on Twitter — with a joke, naturally.

“The great @michaelsheen & I consciously uncoupled over Christmas,” she tweeted. “I mean, not ‘over Christmas’ – like that wasn’t the fight that ended it. No fight. We just live in different countries & it got hard. Felt we should just tell y’all so u stop askin, ‘How’s Michael/How’s Sarah?'”

Silverman and the Welsh actor, 49, started dating in January 2014. During their relationship, they also starred alongside one another for two seasons of the Showtime drama “Masters of Sex.”

Reps for neither Silverman nor Sheen responded to requests for comment.