Scott Wolf and his wife Kelley welcomed their first baby, a son, his rep confirms to

Jackson Kayse Wolf was born to the Party of Five star, 40, and the former Real World: New Orleans housemate, 32, on March 22. He weighed in at 7 pounds.

See adorable photos of celeb babies.

"Kelley and I are having the time of our lives. Words can't describe the love we have for our son Jackson," Wolf said in a statement to Us.

"He is the most fun person we have ever met, and we feel so lucky he has joined our family," he continued.

Can you guess the star baby bump?

Wolf confirmed they were expecting last November, calling it "the greatest gift of all time!"

The couple -- who were introduced through a mutual friend -- quietly wed in May 2004 at St. Paul's Episcopal Church in her hometown of Fayetteville, Ark.

Check out more celeb mom gossip!