There is something Fantastic News about Katherine Waterston, she's pregnant!
The 38-year-old actress wore a remarkable baby punch on Tuesday at the premiere of U.K. Fantastic beasts: The crimes of Grindelwald at Cineworld Leicester Square in London.
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With her dark hair tied back, the future mom opted for a golden dress with long sleeves that hugged her midsection, completing the glamor look in silver heels.
On the one hand, Waterston placed a hand on his belly while smiling for the cameras.
A Waterston representative did not immediately return PEOPLE's request for comments.
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Waterston – known for her role as Porpentina "Tina" Goldstein in the Harry Potter the spin-off movie and its predecessor of 2016, Fantastic beasts and where to find them – It is private when it comes to your personal life.
She is the daughter of Sam Waterston, the actor known for his role as Jack McCoy in Law who was also nominated for an Oscar for his turn as Sydney Schanberg in the 1984 film The extermination camps.
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Waterston is also recognizable for his roles in Michael Clayton, Steve Jobs, Logan Lucky Y Alien: Covenant. It appeared in five episodes of Empire Promenade, like Emma Harrow.
Fantastic beasts: The crimes of Grindelwald – Also starring Eddie Redmayne, Jude Law, Johnny Depp, Alison Sudol, Ezra Miller, Dan Fogler and Zoe Kravitz, hits theaters on Friday.