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.

SEE ALSO: 'Dancing With the Stars' pro Peta Murgatroyd reveals post-baby body in selfie

"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.

See photos of the couple together:

"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.

More from
Katie Couric is reportedly trying to make a 'Today' comeback
Michael Moore to team up with Alec Baldwin and Mark Ruffalo for Donald Trump protest
Mariah Carey attends a wedding with Bryan Tanaka in a racy ensemble: Pics!