Accio Baby! Fantastic Beasts Star Katherine Waterston Is Pregnant — See Her Bump

There’s some Fantastic news surrounding Katherine Waterston — she’s pregnant!

The 38-year-old actress sported a noticeable baby bump Tuesday at the U.K. premiere of Fantastic Beasts: The Crimes of Grindelwald at Cineworld Leicester Square in London.

Wearing her dark hair tied back, the mom-to-be opted for a gold dress with long sleeves that hugged her midsection, completing the glam look in silver heels.

For one pose, Waterston placed a hand on her baby belly as she smiled for the cameras.

A rep for Waterston didn’t immediately return PEOPLE’s request for comment.

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Waterston — known for her role as Porpentina “Tina” Goldstein in the Harry Potter spin-off film and its 2016 predecessor, Fantastic Beasts and Where to Find Them — is private when it comes to her personal life.

She is the daughter of Sam Waterston, the actor known for his role as Jack McCoy on Law & Order who was also nominated for an Oscar for his turn as Sydney Schanberg in the 1984 film The Killing Fields.

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Waterston is also recognizable for her roles in Michael ClaytonSteve JobsLogan Lucky and Alien: Covenant. She appeared in five episodes of Boardwalk Empire, as Emma Harrow.

Fantastic Beasts: The Crimes of Grindelwald — also starring Eddie Redmayne, Jude Law, Johnny Depp, Alison Sudol, Ezra Miller, Dan Fogler and Zoë Kravitz — hits theaters Friday.

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