Chris Klein is going to be a new dad!

The 37-year-old actor's wife, Laina Rose Thyfault, is pregnant with the couple's first baby, Chris announced via Twitter on Monday, March 14.

“My beautiful wife Laina and I are expecting our first child. [She is] 23 weeks along. Gratefully blessed on my 37th birthday,” the American Pie star captioned a sweet snapshot of his wife's baby bump on the micro-blogging site.

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Chris and Laina — who works as a travel agent — married in August 2015 in Montana after dating for three years. Though the actor's marriage to Laina is his first, he was previously engaged to Katie Holmes from 2003 until 2005.

Congrats to Chris and Laina on their pregnancy!