The O2 venue, rebranded The O2, was reopened to the public on 24 June 2007 with a concert by Bon Jovi in the arena. The O2 celebrated its first year with a book, including a double page picture of Elton John from his September 2007 "Red Piano" show. Prior to this reopening, other events took place, including a soft opening for residents of the area to explore the entertainment district and an opening for staff called "The O2 Premiere" which featured Peter Kay, Tom Jones, Kaiser Chiefs and Basement Jaxx. An event called "Out of the Blue" featuring circus acts also took
The O2 for a further ten years until 2027. The dome-shaped structure, which now houses The O2's Entertainment Avenue and arena, was originally constructed as the Millennium Dome and housed the Millennium Experience, a major exhibition to celebrate the start of the third millennium. The exhibition opened to the public on 1 January 2000 and ran until 31 December 2000; however, the project and exhibition was the subject of considerable political controversy and it did not attract the number of visitors anticipated, leading to recurring financial problems. In popular usage, the dome canopy is often still called The Dome, reflecting the substantial,