Emily Blunt & John Krasinski Welcome Baby Girl!

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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.

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The couple have been married since 2010.

Related: Krasinski & Blunt Expecting First Child

This is the first child for both Krasinski and Blunt, 30.