“When I got the call to come to Hollywood, I thought it was a joke. This doesn’t happen!” says Bruno Tonioli, a judge since Dancing With the Stars‘ 2005 premiere. (From 2004 to 2020, he pulled double duty, also serving as a judge on Britain’s Strictly Come Dancing.) “It has been 20 years of amazing experiences. A dream.”

A landmark two-decade run isn’t the norm in TV, but the 69-year-old choreographer from Italy has a theory on why the fans keep coming back. “Dancing With the Stars is a beating heart,” Tonioli says with his trademark passion and zesty energy. “Every time, it feels like it’s the first time I do it. You feel it when you come to the studio. The [dancers] keep me interested. I know what a waltz is, but how are you going to play it? Every season they reinterpret these dances. That’s the magic.”

Originally published on tvinsider.com, part of the BLOX Digital Content Exchange.