O2 (UK) Telefónica O2 had a long-standing relationship with Arsenal F.C., being their shirt sponsor until the end of the 2005/2006 season. In 2005, a three-year deal was signed that saw Telefónica O2 become the team's exclusive mobile communications partner. O2 were the main sponsor of the Channel 4 reality TV show "Big Brother" from its second series (as BT Cellnet) in 2001 until its fourth series in 2003. They also sponsored the spin-off shows "Celebrity Big Brother 2" in 2002 and "" in 2003. In total O2 sponsored five series of the show. O2 sponsored music festivals, the Wireless Festivals, from
The Labyrinth Tour: Live from the O2 The Labyrinth Tour: Live from the O2 The Labyrinth Tour: Live from the O2 is a live and first video album by British singer Leona Lewis and was recorded on 18 June 2010 in London, while Lewis performed at her tour The Labyrinth. It was released on 29 November 2010 with a 10 track live CD, and a Blu-ray version was also released. The recording was broadcast on UK television channel Watch on 3 December 2010. It entered the Official UK Music Video Chart at number 4 on 5 December 2010. It has thus far spent 12 weeks in the