Lady Gaga performs Poker Face (with crazy long intro) at Glastonbury 2009.
Guidance: Contains Flashing Images.
Watch Lady Gaga live on BBC iPlayer at 1.00pm on Sunday 28 June: http://www.bbc.co.uk/iplayer/episode/p08hqcc5
Watch Lady Gaga's 2009 Glastonbury set on demand on BBC iPlayer: https://www.bbc.co.uk/programmes/p08gk6tq
Watch Glastonbury performances from throughout the years on BBC iPlayer: https://www.bbc.co.uk/iplayer/episodes/b007r6vx/glastonbury
Listen and download your favourite Glastonbury sets on BBC Sounds: https://www.bbc.co.uk/sounds/brand/b007r6vx
Dig deep in to performances, articles, photos and more at: https://www.bbc.co.uk/glastonbury
Follow all the action via @bbcglasto https://twitter.com/bbcglasto
