Olivia Wilde, Jason Sudeikis Expecting First Child

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Olivia Wilde and Jason Sudeikis have a little one on the way!

A rep confirmed to ET that the 29-year-old actress is pregnant with the couple's first child.

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As her fans congratulated her on the news Sunday evening, Oct. 27, Wilde made a gracious reply via Twitter, squeezing in some of her signature comedy.

Wilde, 29, and Sudeikis, 38, first met in 2011 on Saturday Night Live, on which he was a series regular from 2005 until resigning earlier this year.

The Rush actress and We're The Millers actor became engaged in January after 14 months of dating.

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Congrats to the couple!