Guest Stars Gwen Stefani as Herself Jennifer Hudson as Herself Maroon 5 as Themselves Pharrell Williams as Himself CeeLo Green as Himself Cassadee Pope as Herself Chloe Kohanski as Herself Alicia Keys as Herself Nick Jonas as Himself John Legend as Himself Bryce Leatherwood as Himself Danielle Bradbery as Herself Ian Flanigan as Himself Miley Cyrus as Herself Reba McEntire as Herself Dolly Parton as Herself Adam Levine as Himself Usher as Himself RaeLynn as Herself The Swon Brothers as Themselves Todd Tilghman as Himself The U.S. Army Field Band as Themselves Camila Cabello as Herself Christina Aguilera as Herself Peyton Manning as Himself Lindsey Vonn as Herself Dia Frampton as Herself Diplo as Himself Wayne Gretzky as Himself Jimmie Johnson as Himself Jermaine Paul as Himself Wendy Moten as Herself Sundance Head as Himself Craig Wayne Boyd as Himself Bodie as Himself Cam Anthony as Himself Toosii as Himself George Strait as Himself Lily Rose as Herself Xenia as Herself Al Michaels as Himself Jackie Joyner-Kersee as Herself