Dax Shepard and Kristen Bell welcome a baby girl!

It's a girl!

Hollywood "it" couple Dax Shepard, 38, and Kristen Bell, 32, have welcomed their first child! And the name is...

Lincoln Bell Shepard.

COOL. Lincoln for a girl is pretty unique, no?

Check out: Celebrity baby names: Meanings and orgins>

The actors tweeted the news on their respective Twitter accounts.

“Lincoln Bell Shepard is here,” Dax tweeted. “She has mom’s beauty and dad’s obsession with breasts. Hooray!!!” Haha!

“My new roommate poops her pants and doesn't pay rent...basically @daxshepard1 pre-sobriety :)," Kristen tweeted. "Welcome baby Lincoln xo."

They are too cute and funny together. Welcome baby Lincoln, indeed! Congrats to the family!

LOVE! xo Haley-O