Jonas Brothers and Marshmello

GRAMMY-nominated Marshmello, known for his masked persona, collaborates with stars like Juice WRLD and Selena Gomez. With 13 billion Spotify streams, he's a top 40 artist and third-most-subscribed on YouTube. Featured in Forbes' "30 Under 30," he also ventured into business with "Stuffed Puffs" and a kids' channel, Mellodees. Songs like "Leave Before You Love Me" with Jonas Brothers and "Numb" with Khalid cement his status.