There are international stars, social media powerhouses, on-the-rise groups and singers that have scored No. 1 smashes on the Hot 100 before their 21st birthday. There’s pop, rock, EDM, hip-hop, country, K-pop, and more genres represented here. Most importantly, there’s a ton of potential on this list — these 21 artists have already accomplished a great deal, but are safe bets to continue finding success as they edge toward adulthood. For now they’re just kids, but they’re the kids that everyone in music is watching.
