It's a Girl! Mario Lopez "Overjoyed" by New Daughter

Extra host and girlfriend Courtney Mazza welcome daughter Gia Francesca Saturday

Mario Lopez holds many titles: A.C. Slater? Check. Actor? Check. Daddy? Check plus!

Extra's resident host and his girlfriend, Courtney Mazza, welcomed daughter Gia Francesca Lopez to the family Saturday in Burbank, Calif., according to a rep for his show.

"We are so overjoyed," the beaming 36-year-old actor told Extra. "What an amazing, wonderful and overwhelming experience to welcome our daughter into the world."

Little bundle of joy Gia weighed in at 6 pounds, 4 ounces, and mother and daughter are said to happy and healthy.

This marks the first child for both Lopez and Mazza, 28, who met back in 2008 while starring in a Broadway revival of A Chorus Line.

(Originally published Sept. 12, 2010, at 8:09 a.m. PT)