Chad Lowe and Wife Kim Painter Welcome Baby No. 3 -- See Their First Family Photo!

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Chad Lowe is officially dad to three beautiful girls!

The Pretty Little Liars actor and his wife, Kim Painter, welcomed their third child together, a daughter named Nixie Barbara. Lowe confirmed the news via Instagram on Friday.

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"Nixie Barbara Lowe has arrived!" Lowe, 48, captioned an adorable black-and-white snap of his family of five. "We're now officially outnumbered and we couldn't be happier! #Blessed #Grateful."

In celebration of the exciting news, the doting dad also changed his profile picture to one of him holding his new bundle of joy. It doesn't get much cuter than that!

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Lowe and Painter -- who tied the knot in 2010 -- are also parents to Mabel, 6, and Fiona, 3. Lowe was previously married to Hilary Swank from 1997 to 2007.

Earlier this week, Swank took to Instagram to announce her big news -- her boyfriend, tennis coach Ruben Torres, had proposed.

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"Went on a hike and this happened!" the Oscar winner wrote. "I am so happy to share with you all, the engagement to my dear Ruben."

To hear more on her engagement (and see her gorgeous emerald sparkler!), watch the video below.