Main Characters Host 2 main appearances Host 2 main appearances Host 2 main appearances Host 1 main appearances Host 1 main appearances Host 1 main appearances Host 1 main appearances Host 1 main appearances Host 1 main appearances Host 1 main appearances Host 1 main appearances Host 1 main appearances Host 1 main appearances
Recurring Guest Characters Lukas Graham 1 guest appearances Destiny's Child 1 guest appearances Enrique Iglesias 1 guest appearances Mandy Moore 1 guest appearances Charlotte Church 1 guest appearances Rod Stewart 1 guest appearances The Black Eyed Peas 1 guest appearances Ashlee Simpson 1 guest appearances Kenny G 1 guest appearances Chaka Khan 1 guest appearances Adam Lambert 1 guest appearances Jennifer Hudson 1 guest appearances Earth, Wind & Fire 1 guest appearances Rixton 1 guest appearances Ashley Monroe 1 guest appearances Dan + Shay 1 guest appearances Chris Young 1 guest appearances OneRepublic 1 guest appearances Meghan Trainor 1 guest appearances Leslie Odom Jr. 1 guest appearances ⇤ « 1 2 3 4 » ⇥