Andrew Asare
September 10, 2013 AT 03:08 PM EDT

Mario Lopez and wife Courtney Mazza welcomed their second child, a boy, Dominic Lopez on Monday evening September 9, People reports. The couple tied the knot in December.

The X-Factor host, 39, shared the exciting news on Twitter. “It’s a boy !!!!!!!!!!!!!! Please welcome Dominic Lopez to the world,” Lopez tweeted.  “Couldn’t be happier… Courtney and baby are doing just fine.”

The newlywed’s newest addition joins older sister Gia Francesca, who will turn three on Wednesday, September 11.

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