alt-J JOINS THE O2'S 20TH BIRTHDAY LINE-UP

Mercury Prize-winning British band returns to The O2 a decade after its first headline show at the venue.

O2 and Virgin Media broadband customers will have presale access exclusively via Priority Tickets from Wednesday 18 November 2026. 

London, Friday 13 November 2026: The O2, the world's most popular live entertainment, leisure and retail destination, owned and operated by AEG International, has announced that alt-J will perform at the venue as part of its 20th birthday celebrations, taking place throughout summer 2027. The Mercury Prize-winning British band will bring its THEN AGAIN TOUR 2027 to the iconic London venue on Wednesday 14 July 2027, marking a decade since its headline performance at The O2 in 2017. 

One of the most successful British bands of the millennium, alt-J have sold more than two million albums and amassed more than two billion streams. Their Mercury Prize and Ivor Novello Award-winning debut, An Awesome Wave, was followed by UK number one album This Is All Yours, while 2017's RELAXER became the band's second album to be nominated for the Mercury Prize. 

alt-J join a growing line-up of international artists and performers celebrating two decades of live entertainment at the iconic London venue. Confirmed 20th birthday artists include: 

●     Maisie Peters, Saturday 8 May 2027

●     Shreya Ghoshal, Friday 4 June 2027

●     David Guetta, Saturday 5 June 2027

●     SOMBR, 21, 22, 24, 25 and 29 June 2027

●     Brad Paisley, Saturday 26 June 2027

●     Billie Jean King and John McEnroe, Sunday 27 June 2027

●     Santana, Wednesday 30 June 2027

●     Kings of Leon, Friday 2 July 2027

●     Jack Johnson, Sunday 4 July 2027

●     Don Omar, Monday 5 July 2027

●     Pet Shop Boys, 9-10 July

●     alt-J, Wednesday 14 July

●     Jamiroquai, 15, 16 and 19 July 2027

●     Jorja Smith, Saturday 17 July 2027

Emma Bownes, Senior Vice President of Venue Programming, AEG International, said: "alt-J are one of the most distinctive and successful British bands of their generation, so it feels particularly fitting to welcome them back to The O2 exactly ten years after their first headline show here. Our 20th birthday is about celebrating the artists and performances that have been part of The O2’s story over the past two decades, and we’re delighted to have alt-J joining what is already an incredible summer of live music." 

Since opening in 2007, The O2 has welcomed more than 100 million visitors and hosted over 6,800 events, establishing itself as one of the world's leading live entertainment destinations and the home of countless iconic performances. The 20th birthday celebrations will continue throughout 2027, with further artist announcements to be revealed in the coming months. 

The milestone year follows the recent extension of The O2's landmark naming rights agreement with O2 until 2038, ensuring one of the UK's most successful and enduring partnerships will continue into the venue's third decade.