Emily Blunt and John Krasinski are brand new parents to a baby girl, whom they've decided to name Hazel!
Krasinski, 34, took to Twitter to share the big news himself.
Pics: Adorable Tots -- Celebs and Their Cute Kids!
The couple have been married since 2010.
Related: Krasinski & Blunt Expecting First Child
This is the first child for both Krasinski and Blunt, 30.