April 23, 2018 10:07 AM Eastern Daylight Time LOS ANGELES–(BUSINESS WIRE)–iHeartMedia will kick off the summer with the 2018 iHeartRadio Wango Tango By AT&T hosted by Ryan Seacrest featuring performances from today’s hottest artists including Ariana Grande, Shawn Mendes, Meghan Trainor, 5 Seconds of Summer, NF, Miguel, Janelle Monáe and Marshmello with a special guest performance by Logic,…