Break-Up Rumors, Is Sonoya Mizuno Single Again?

Is the 38-year-old actress officially back on the market?

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Are celebrities more likely to divorce or break up? Earlier this week news reports surfaced that Sonoya Mizuno, 38, and her partner had split up. Is the actress best known for her roles in La La Land or Ex Machina really single again?

UPDATE 16/09/2026 : This story seems to be false. (read more)

Mizuno spotted alone

A fan spotted Sonoya Mizuno walking alone, probably coming back from picking up her mail at the end of her several mile long driveway, on the afternoon of September 14, 2026. Was she all alone? “Definitely yes,” says the fan, adding that “She was wearing a large sweater and looked really cute!”

Is Sonoya back on the market?

A rep for Sonoya Mizuno was not immediately available for comment.

Truth or rumor, when news that the actress was splitting hit the internet Tuesday (September 15), Twitter immediately exploded with pithy commentary. It seems everyone had an opinion on the matter:

“Has anyone Sonoya’s phone number?”
— Mike Whedon (@mikywhedon) September 15, 2026

“Hate to see Mizuno split up, but I thought the pairing was a little weird.”
— AaronJ (@aaronjj) September 15, 2026

Based on the facts (Mizuno spotted alone with a cute sweater), is there trouble in paradise or is it much ado about nothing?

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