Article continues below advertisementTom Bergeron is back in the ballroom - this time, as a special guest judge.The former Dancing With the Stars host, 70, will return for the show's 20th anniversary episode on Tuesday, November 11.Bergeron was let go from the ABC franchise in 2020 after 15 years as the host. He was a part of the competition's 2005 debut and led almost 450 episodes.Article continues below advertisementSource: Dancing With the Stars/YouTubeTom Bergeron hosted 'Dancing With the Stars' alongside Erin Andrews.