Instagram/Billie Eilish & Justin Bi Music Billie Eilish's full-circle moment at Coachella 2026: Justin Bieber calls her onstage, and she reacts like an ecstatic fan. See the viral surprise. April 27, 2026 AceShowbiz - At the second weekend of Coachella 2026, Billie Eilish experienced a memorable full-circle moment when she was invited onstage by Justin Bieber during his headlining performance. This surprise occurred during a segment featuring Bieber singing alongside his earlier YouTube videos, which included his hit "One Less Lonely Girl.