Zillow Gone Wild’s Jack McBrayer on Craziest Things He’s Seen in Celeb Friends’ Homes (Exclusive)

Jack McBrayer takes ET on the set of ‘Zillow Gone Wild’ forward of its season premiere, July 18 on HGTV. The ’30 Rock’ alum spills on changing into Hollywood’s finest pal, as he is develop into shut with the likes of Jon Hamm, Bradley Cooper and Alexander Skarsgård