Congratulations are in order for Heidi Montad and Spencer Pratt! The reality TV couple welcomed their first child, a baby boy named Gunner Stone. Gunner was born Sunday afternoon, weighing in at 6 pounds, 12 ounces. Heidi Montag told US Weekly. “It was the hardest and most rewarding experience.” The Hills alum, who tied the knot in 2008, announced Heidi's pregnancy in April.