Singer-songwriter will headline London venue on July 10 and 11
The show will be Sheeran's first-ever stadium headline show
Manchester United footballer attended Sheeran's concert in the city on October 28
Clattenburg breached regulations by traveling alone to West Bromwich Albion v Crystal Palace game
Singer-songwriter agrees there is "a shortage of artists to play festivals"
The singer says organiser 'asked me to do the festival next year a few weeks ago'
Giddings said the music business doesn’t invest to "build" a band enough, leading to lack of headline-quality acts
Nicki Minaj will host annual ceremony on November 9
See the list of 2014's Top 10 biggest selling albums
The singer played 'The A Team' for the Tory Prime Minister