Sombr, Jamiroquai, Kings of Leon and More to Perform at The O2 Arena’s 20th Anniversary Celebrations: Full Lineup

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London’s The O2 Arena will mark its 20th anniversary with a series of shows in 2027. Announced headliners include Sombr, Jorja Smith, Pet Shop Boys, Jamiroquai and Alt-J.

Maisie Peters is currently scheduled to open the celebrations on May 8, 2027, with her debut at the venue. Kings of Leon, Brad Paisley, Santana and David Guetta are also among those set to appear. More shows are expected to be announced.

The O2 opened in North Greenwich, London, in 2007, using the existing Millennium Dome. The dome housed the Millennium Experience in 2000, but the attraction had low attendance and closed the following year.

Construction on the 20,000-capacity arena inside the dome began in 2003. Its capacity exceeded that of Wembley Arena, which held 12,500.

Prince holds The O2’s record for its longest residency, having played 21 sold-out shows in 2007. Take That has played the arena more than any other artist, with 39 shows. In 2025, Radiohead set a venue attendance record of 22,355 after the arena was reconfigured for an in-the-round performance.

The O2 is owned and operated by AEG International. According to Billboard Boxscore’s 2026 Midyear report, it had the most shows of any venue globally, with 138 performances. It also ranked first in the UK and Ireland and second globally for both total gross and attendance, drawing 1.6 million fans.