Break-Up Rumors, Is Zosia Mamet Single Again?

  • By Zach Selby
  • Washington
  • Last updated on

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 Zosia Mamet, 38, and her partner had split up. Is the actress best known for her roles in Girls, Mad Men or United States of Tara really single again?

UPDATE 30/10/2026 : This story seems to be false. (read more)

Mamet spotted alone

A fan spotted Zosia Mamet walking alone, probably coming back from picking up her mail at the end of her several mile long driveway, on the afternoon of October 28, 2026. Was she all alone? “Definitely yes,” says the fan, adding that “She was wearing a large sweater and looked really cute!”

Is Zosia back on the market?

A rep for Zosia Mamet was not immediately available for comment.

Truth or rumor, when news that the actress was splitting hit the internet Thursday (October 29), Twitter immediately exploded with pithy commentary. It seems everyone had an opinion on the matter:

“Has anyone Zosia’s phone number?”
— Mike Whedon (@mikywhedon) October 29, 2026
“Hate to see Mamet split up, but I thought the pairing was a little weird.”
— AaronJ (@aaronjj) October 29, 2026

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

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