Carrie Coon confirms she and Tracy Letts are expecting their 1st child

"The Post" actress debuted her baby bump at the Critics Choice Awards.

— -- "Fargo" star Carrie Coon and husband Tracy Letts, with whom she stars in "The Post," are expecting their first child.

Coon, 36, confirmed the news on Twitter Tuesday.

"It's true!" she tweeted, posting an article from Us Weekly, which first reported the baby news.