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Congratulations David and Christina Arquette!

This week, Arquette shared the news that he is a father for the third time. The actor shared the news in a sweet photo posted to Instagram. Augustus Alexis Arquette was born Wednesday, March 8.

According to PEOPLE, the newborn will go by Gus, but his middle name is a nod to Arquette’s late sister, Alexis Arquette, who died suddenly in September.

Baby Gus joins big brother Charlie, 2, and Arquette’s daughter from previous marriage to Courteney Cox, Coco, 12.

Augustus Alexis Arquette || March 8, 2017 @christinaarquette – His first thoughts were "Whatchu Lookin' At?"

A post shared by David Arquette (@davidarquette) on

In October, Arquette shared a video of his eldest son Charlie kissing a sonogram of his little brother.

RELATED: The Duggar family is “super excited” to share the news that one of the boys is officially courting

“So incredibly blessed and honored that my wife @christinaarquette is pregnant with a baby boy! Thank you Christina and humbled gratitude to G-D for this tremendous gift! Charlie and Coco are so excited and I am over the moon!!!” he wrote at the time.

Congratulations to the happy family!

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