Los Angeles, Oct 2 (IANS): "The Hills" stars Heidi Montag and Spencer Pratt have welcomed their first child, a son, and named him Gunnar Stone.
They confirmed it on Twitter, reports people.com.
The couple is yet to share more details about the birth although new father did thank Crystalarium, a crystal store in West Hollywood, for "dropping off $27,000 in crystals at the birth".
The reality TV stars wed in November 2008.