Armie Hammer and wife Elizabeth Chambers Hammer welcome their second child!

Congratulations are in order for Armie Hammer and his wife, Elizabeth Chambers Hammer!

The picture perfect couple welcomed their second child and first son together on Sunday, People reports.

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"Both mom and baby are doing great," the couple's rep confirmed.

The Hammers' first boy joins daughter, two-year-old Harper, in their growing clan. The "Social Network" actor and the Chief Correspondent of the Human Rights Foundation got married in 2010.

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"Armie and Elizabeth are overjoyed with their growing family and daughter Harper is already embracing the role of big sister," a source revealed.

Hammer has been making the rounds this award season in support of his current film, the Tom Ford-directed "Nocturnal Animals" starring Amy Adams and Jake Gyllenhaal.

Their son's name has not been released.

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