"Good Omens" are on the horizon for Michael Sheen.

The British actor, 50, revealed on Twitter that he and his current partner, Anna Lundberg, 25, are expecting a child.

"Very happy to let everyone know that my partner Anna and I are expecting a little angel of our own. (Just to be clear — we’re having a baby!) #nottheantichrist," he wrote, along with several celebratory emojis.

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Lundberg, a Swedish actress based in New York City, reportedly began dating Sheen earlier this year, according to Extra. Sheen's relationship with the actress follows his past relationships with 35-year-old Irish actress Aisling Bea and comedian Sarah Silverman.

The "Masters of Sex" actor was also previously engaged to actress Kate Beckinsale, before the two split in 2003 after eight years together. The former couple share a 20-year-old daughter, Lily.

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Sheen and Lundberg have been spotted together in public on several occasions, including the pair appearing at the red carpet premiere of "Good Omens," according to Metro. The couple were also photographed at a recent charity event in NYC, benefiting the UK charity Help Refugees.

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Lundberg has also praised her partner on her private Instagram account, according to photos obtained by Metro. In one post, she wrote, "So, so, so proud of this angelic face."

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Sheen's most recent role in "Good Omens" can be streamed on Amazon Prime Video, which features the actor alongside co-star David Tennant.

According to The Guardian, the show was recently the subject of an online petition for Netflix to cancel the show. The petition was set up by a religious group last month who called the show "blasphemous." However, the program is a mini-series, which means there won't be any new episodes, and the series does not stream on Netflix.