Recurring Guest Characters Phil Collins 1 guest appearances David Hasselhoff 1 guest appearances Neil Young 1 guest appearances Olivia Newton-John 1 guest appearances Michael Bublé 1 guest appearances Emilio Estefan 1 guest appearances Gloria Estefan 1 guest appearances Mike Love 1 guest appearances Carly Simon 1 guest appearances Wynona Judd 1 guest appearances Carlos Santana 1 guest appearances Marty Stuart 1 guest appearances Weird Al Yankovic 1 guest appearances Daryl Hall 1 guest appearances Don Rickles 1 guest appearances Trisha Yearwood 1 guest appearances Vince Gill 1 guest appearances Lindsey Buckingham 1 guest appearances Josh Groban 1 guest appearances Frankie Valli 1 guest appearances ⇤ « 1 2 3 4 5 6 7 » ⇥