Radio Disney has lined up five fan-favorite stars across music and TV to host the 2017 RADIO DISNEY MUSIC AWARDS . Grammy Award nominee Kelsea Ballerini, Broadway’s “Hamilton” star and Hollywood Records recording artist Jordan Fisher, Disney’s “Descendants” star and Hollywood Records/Republic Records recording artist Sofia Carson, Interscope Records recording artist and Radio Disney host Alex Aiono, and Disney Channel star Jenna Ortega are scheduled to host the popular performance-filled event, now in its fifth year.