Mario Lopez, Courtney Mazza having a baby

mario-lopez-Courtney-Mazza.jpgThe ever-busy Mario Lopez is about to get even busier when he adds "dad" to his hectic schedule.

The former "Dancing With the Stars" contestant, recent guest star on "Nip/Tuck" and current host for "Extra" and "America's Best Dance Crew" is expecting his first child in the fall with girlfriend, Courtney Mazza, 28.