Heidi Montag and Spencer Pratt have welcomed a baby, Us Weekly confirms.
Gunner Stone was born Sunday at 3:06 p.m., weighing in at 6 lbs. 12 oz. and measuring 19" long.
"Heidi and Spencer are proud parents of a healthy baby boy as of this afternoon," a rep told Us.
The blond-haired, blue-eyed boy is the couple's first child.
Heidi has been open about her pregnancy, posting in May how excited she was to be celebrating her first Mother's Day while expecting.