Recurring Guest Characters Co-Host 4 guest appearances Co-Host 4 guest appearances David Archuleta 1 guest appearances Cassadee Pope 1 guest appearances Michelle Williams 1 guest appearances Rush Davis 1 guest appearances Audra McDonald 1 guest appearances Alexander Star 1 guest appearances Carson Kressley 1 guest appearances Straight No Chaser 1 guest appearances Annie Bosko 1 guest appearances Jordin Sparks 1 guest appearances