Billboard has begun revealing its list of the '25 Greatest Pop Stars of the 21st Century,' with notable rankings including The Weeknd at No. 20 and BTS at No. 19. The Weeknd, originally an underground R&B artist, has transformed into a global pop icon, credited for his unique sound and ability to navigate different musical genres since his debut mixtape in 2011. BTS has been recognized for achieving 'Beatles-sized success' and for their pivotal role in bringing K-pop to the global stage, with six Hot 100 No. 1 hits and a dedicated fanbase known as ARMY. Billboard highlighted BTS's musical diversity and their impact on the global music community, emphasizing their message of positivity and connection. The list continues to feature other prominent artists like Bruno Mars and Ed Sheeran, with the countdown generating significant attention in the music industry.