The babies are the first children for Jameson and her mixed martial arts fighter beau, Tito Ortiz. The couple have been together for about two years.
"They're in very good health," Jameson's representative told Usmagazine.com about the boys, who were born Monday morning.
Jameson confirmed her pregnancy exclusively to the magazine in August.
Costly malfunction causes beer flood at Boston-area brewery
Video of Victoria’s Secret models trying to 'twerk' hits Instagram