Break-Up Rumors, Is Sienna Guillory Single Again?

Is the 50-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 Sienna Guillory, 50, and her partner had split up. Is the actress best known for her role in Resident Evil: Retribution really single again?

UPDATE 19/05/2025 : This story seems to be false. (read more)

Guillory spotted alone

A fan spotted Sienna Guillory walking alone, probably coming back from picking up her mail at the end of her several mile long driveway, on the afternoon of May 17, 2025. Was she all alone? “Definitely yes,” says the fan, adding that “She was wearing a large sweater and looked really cute!”

Is Sienna back on the market?

A rep for Sienna Guillory was not immediately available for comment.

Truth or rumor, when news that the actress was splitting hit the internet Sunday (May 18), Twitter immediately exploded with pithy commentary. It seems everyone had an opinion on the matter:

“Has anyone Sienna’s phone number?”
— Mike Whedon (@mikywhedon) May 18, 2025

“Hate to see Guillory split up, but I thought the pairing was a little weird.”
— AaronJ (@aaronjj) May 18, 2025

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

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