Olivia Wilde, fiance Jason Sudeikis expecting their first child

Olivia Wilde and fiance Jason Sudeikis are having a baby!

Reps for the “Her” star and the “Saturday Night Live” alum confirmed to People on Sunday that they’re expecting their first child together.

After the baby news broke, Wilde took to Twitter to thank her fans and solicit some advice.

“WOW. You guys are awesome. So kind. Thank you thank you thank you!” she wrote, adding, “PS. Babies eat mostly salsa right?”

It is unclear how far along she is or when the baby is due.

“They are incredibly happy,” a source told the mag. “They’re very excited to welcome a new member into their family.”

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And is anybody surprised? Wilde, of “House, M.D.,” previously quipped during an interview with Us Weekly that she and her man had sex like “Kenyan marathon runners.”

Wilde, 29, and Sudeikis, 38, met during the 2011 season finale of “SNL” and started dating about six months later. Sudeikis popped the question in January 2013. This will be the second marriage for both of them. (Sudeikis was previously married to screenwriter Kay Cannon, Wilde to documentarian Tao Ruspoli.)

In the August 2013 issue of Elle, Sudeikis joked that his bedroom romps with Wilde were part of the reason he was able to get back in shape.

“The truth is, I’m not getting up an hour earlier and walking on a treadmill. I have the greatest workout partner in the world,” the “We’re the Millers” star said. “And you don’t need a gym membership for that kind of workout.”

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The “Rush” actress didn’t seem to shy from the idea of children after said marathon-like activities.

“I’m open-minded about how many, but three, which I love, is like a little party. I am not trying to have kids now — there’s no strict plan for anything in my life. What happens, happens,” she told Marie Claire in the magazine’s April issue. “He’s so good with kids. ... I’ve never before experienced looking at someone and thinking, ‘That’s who I want to raise a child with.’”

Life changes keep a-coming for the couple.

In July, Sudeikis announced on the “Late Show” that he would be leaving “SNL” after about a decade working on the NBC parody show as a writer and actor.

That same month, Wilde sold her Los Feliz home — a four-bedroom, 3.5-bathroom Spanish villa built in 1929 — for $2,190,950. “The Incredible Burt Wonderstone” actress had purchased the home in 2011 for $2.295 million, then listed it in November 2012 for $2.495 million.

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In September, Wilde also became the new celebrity face of Avon’s 10-year-old “Today. Tomorrow. Always.” fragrance collection.

As for wedding plans, the couple reportedly planned to wed in spring 2014, according to Us; however, in Marie Claire the actress indicated that plans were premature.

“I don’t know when we’re going to get married, but it doesn’t matter because we’re going to be together forever. My dream is to have it close to New York [where they live]. I love dressing up, and I want to design my own dress. I want to get friends involved because they have all protected and encouraged us.”

And now baby makes three!

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