Scarlett Johansson is a new mom!

The "Lucy" star and her fiance, Romain Dauriac, have welcomed a baby girl named Rose, according to her rep.

The spokesman says the 29-year-old actress and her daughter are doing well.

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The blonde beauty recently opened up to Vanity Fair about her French journalist beau.

"We do different things," she told the mag. "He's in the whole art-scene world. So it's nice, because we can enjoy each other's worlds, but we don't have our crazy conflicting schedules and all that other stuff to contend with."

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Scarlett is definitely a lady in love!

We can't wait to see baby Rose -- what do you think of her name? Tell toofab in the comment section below, and click "Launch Gallery" above to see more celebrity baby names.