Pandemonium (full title: Pandemonium Live, The O2 Arena, London, 21 December 2009) is a live album by English electronic duo Pet Shop Boys, released on 15 February 2010 as a CD/DVD combo. As indicated in its title, it is a recording of a live concert at The O2 Arena in London on 21 December 2009, as part of the duo's Pandemonium Tour.