This Who Won the Month episode of the 'Greatest Pop Stars' podcast checks in on a busy month for pop stars new and old. Justin Bieber performs at the Coachella Stage during the 2026 Coachella Valley Music and Arts Festival at Empire Polo Club on April 11, 2026, in Indio, Calif. Kevin Mazur/Getty Images Trending on Billboard We’re at the one-third mark of 2026, and the year has remained a packed one for new, rising and longtime pop stars alike. April saw some veteran pop stars cement their legacies with festival appearances while others wrote one of their earliest chapters, while other breakout artists confirmed their superstardom with album releases that showed just how far they’d leveled up. And a pair of all-time greats also made their presence felt this month in very different ways — one of them posthumously. Explore See latest videos, charts and news This week on the Greatest Pop Stars podcast , we looked back at an eventful April in pop stardom.…