Days
Hours
Minutes
Seconds
Ryan Seacrest
Host
Rita Ora
Co-Host
Chance the Rapper
Co-Host & Performer
Rob Gronkowski
Co-Host
Julianne Hough
Co-Host
4 Non Blondes
Performer
50 Cent
Performer
6lack
Performer
AJR
Performer
BigXthaPlug
Performer
Busta Rhymes
Performer
Chappell Roan
Performer
Charlie Puth
Performer
Ciara
Performer
Demi Lovato
Performer
DJ Cassidy
Performer
EJAE, Audrey Nuna & REI AMI
Performer
Filmore
Performer
Goo Goo Dolls
Performer
Jess Glynne
Performer
Jessie Murph
Performer
Jordan Davis
Performer
Leon Thomas
Performer
LE SSERAFIM
Performer
Lil Jon
Performer
Little Big Town
Performer
Madison Beer
Performer
Maren Morris
Performer
Mariah Carey
Performer
New Kids on the Block
Performer
OneRepublic
Performer
Pitbull
Performer
Post Malone
Performer
Rick Springfield
Performer
Russell Dickerson
Performer
The All-American Rejects
Performer
T.I.
Performer
Tucker Wetmore
Performer
Wyclef Jean
Performer
Zara Larsson
Performer