5 Seconds of Summer Joins Sombr for Energetic Lollapalooza Performance

WHO:

Billboard - The band 5 Seconds of Summer and the artist Sombr performed at Lollapalooza.

Rolling Stone Music - Sombr and 5 Seconds of Summer were the main performers during the event.

WHAT:

Billboard - 5 Seconds of Summer played their own set on the main stage before joining Sombr.

Rolling Stone Music - Sombr brought out 5 Seconds of Summer to perform "She Looks So Perfect" during the set.

WHERE:

Billboard - The performance took place at Lollapalooza, a music festival.

WHEN:

Rolling Stone Music - The performance occurred on a Thursday night.

WHY:

Billboard - The collaboration was part of the festival's entertainment lineup.

HOW:

Billboard - The band joined Sombr on stage for a surprise performance.

(UPDATED July 31, 2026 18:27 UTC)

At Lollapalooza, the band 5 Seconds of Summer and artist Sombr took the stage as the main performers during the festival. 5 Seconds of Summer played their own set on the main stage before joining Sombr for a surprise performance of "She Looks So Perfect." This collaboration was a highlight of the Thursday night entertainment lineup at the event.