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
Loud Tour Live at the O2 peaked at number eighton the UK Music Video Chart and number nine on the Irish Music DVDs Chart. The album was more successful in France where debuted and peaked at number two on the French Music DVD Chart. "Loud Tour Live at the O2" debuted at number 11 on the US "Billboard" Music Video Sales chart which was also its peak. Additionally, it peaked at number eight on the Australian Music DVD Chart. Loud Tour Live at the O2 Loud Tour Live at the O2 is the second live long-form video by Barbadian singer Rihanna. It was released on December