Olivia Wilde, Jason Sudeikis welcome their new baby boy

Olivia Wilde and Jason Sudeikis are now the parents of a baby boy, the new mom announced Wednesday afternoon via Twitter.

“Ladies and gentlemen, Otis Alexander Sudeikis has LEFT the building! (I’m the building),� the “House, M.D.� actress wrote, including a black-and-white closeup picture of herself cuddling the newborn.

Wow, it seems like only yesterday that we were hearing about how she considered her big belly a “badge of pride.� Probably because it was only yesterday.

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“I just thought, ‘Oh, I’m going to hide this forever. But I ended up getting kind of excited to show the bump, as a badge of pride,� the 30-year-old told Lucky magazine for its May cover story, adding, “Like, I’m a woman! Look at me making a human! I am a goddess!�

That little human made his way into the world a little bit early: Wilde’s due date, which she revealed in January on the Golden Globes red carpet, was May 4.

And if the 30-year-old hadn’t already made it clear that she and fiance Sudeikis, 38, weren’t about to rush to the altar to get hitched before their son was born, it’s a done deal now.

“I think of him as my husband anyway,� she told Lucky.

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It’s a first child for the actors, though their marriage will mark the second time around for both. Sudeikis was previously married to “Pitch Perfect� and “30 Rock� writer Kay Cannon, with their divorce final in 2010. Wilde, who’d eloped at age 18, finalized the breakup of her eight-year marriage to Tao Ruspoli, an Italian prince, in October 2011.

The new parents, who started dating in November 2011, got engaged in January 2013.

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