Kate Marais pregnant!

The actress and her husband, fellow actorJamie Bell, are expecting their first child together, she revealed Sunday evening in a post on Instagram.

The mom-to-be showed off her bump in a short, long-sleeved white and silver dress as she stepped out forElton John‘s annualAIDS Foundation Oscars Party. Mara and Bell smiled as they posed for photos ahead of the event in West Hollywood, California.

“Went on a date with our bun in the oven,” Maracaptioned her photo.

Mara first sparked pregnancy rumors at the2019 Golden Globe Awards, where she rocked a billowing gown featuring a bodice with a cut-out center.

Kate Mara and Jamie Bell.Rich Fury/Getty

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Mara and Bell have beendating since fall 2015, and PEOPLEconfirmed their engagementin January 2017. The formerFantastic Fourcostars announced the following July on social mediathat they had tied the knot.

Mara posted a photo of herself and Bell, 32, kissing on what looks like the dance floor at their wedding on Instagram. Shecaptioned the photo, “Nuptials.”

Bell shared the same photo with the caption, “Mr. and Mrs. B.”

Speaking to James Corden in January 2018, Bell said, “We actuallygot married right across the streetfrom our house. I literally woke up in my own bed and walked across the street, and we had our ceremony.”

Kate Mara.

76th Annual Golden Globe Awards, Arrivals, Los Angeles, USA - 06 Jan 2019

Dave J Hogan/Getty Images

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TheChappaquiddickactressopened up about just how important her family isin a new interview withShapemagazine, discussing her famous family (both her parents come from major football dynasties) andher husband of one year.

Mara said that having Bell as “legally part of my family” is “such an incredible thing,” explaining, “I’m very protective of our marriage” before revealing how the couple makes it work between their busy schedules.

“All the traveling we both have to do for work can make it hard, but we have a rule that we will never go longer than two weeks without seeing each other,” said the actress. “Even if we have to spend all day traveling to have just 24 hours together, it’s worth itin order to have a strong relationship.”

source: people.com