ATLANTA, July 21, 2015 /PRNewswire/ -- IHG (InterContinental Hotels Group), one of the world's leading hotel companies, today announces the Holiday Inn Express® brand as the official hotel sponsor of "KNOCK KNOCK LIVE," the new, life-changing weekly television event packed with unpredictable and thrilling surprises that enlists friends, families, neighbors and celebrities to help grant wishes with one simple knock on the door. The series, hosted by Ryan Seacrest, premieres tonight at 9:00 PM ET/PT on FOX.