January 26, 2012 10:30 PM

Michael Kovac/WireImage

Lindsay Sloane is a new mom!

The actress, 34, and husband Dar Rollins welcomed their first child, daughter Maxwell Lue, on Thursday, Jan. 19, her rep confirms to PEOPLE exclusively.

“We thought we knew what love was until we met her,” the couple tell PEOPLE of their “sweet little girl.”

Rollins and Sloane — who has appeared in Horrible Bosses, as well as on Weeds and Sabrina the Teenage Witch — wed in 2004.

They announced the pregnancy in August.

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