Article continues below advertisementTom Bergeron took time during his return to Dancing With the Stars to pay tribute to Bruce Willis.Six years after his departure from the ABC series, the former host, 70, judged the 20th anniversary episode on Tuesday, November 11. Season 20 winner Rumer Willis came back to dance in a relay with Dylan Efron. In between comments about the performance, Tom honored the singer's father, who has been suffering from dementia.