iHeartRadio is gearing up for summer in the best way possible — an epic blowout bash! The iHeartSummer ‘17 Weekend by AT&T is a celebration of all things summer and will feature the hottest musical acts, including current fan favorites and timeless throwback artists. Live performers include Miley Cyrus, Backstreet Boys, DJ Khaled, Fifth Harmony, Halsey, Noah Cyrus, Luis Fonsi and Tinashe!