DJ Pauly D
Paul DelVecchio of course rocketed to fame on Jersey Shore. He remains a television personality, but is now a DJ.
Christopher Comstock is known in the music world by his professional name, Marshmello. He is an American EDM producer and DJ. Famously, he worked with Selena Gomez on "Wolves."
American Authors are a rock band based in New York. At the moment, they are signed to Island Records.
Charles Otto Puth Jr. is a singer, songwriter, and record producer. He climbed to fame through YouTube.
Known (and sometimes roasted) for his method acting, Jared Leto is also a singer, songwriter, and director.
William Sami Etienne Grigahcine is a French DJ who hails from Paris. Known professionally as DJ Snake, he works as a record producer.