The event will take place in October
The music video celebrates the 25th anniversary of the third single from 'Spiceworld'
Harry Styles, Spice Girls and Sam Ryder also appear in the collection
Fans can bid to watch a set from the viewing platform on the Pyramid Stage
From political protests to on-stage gaffes and career-defining performances (plus, er, Rihanna linking up with Klaxons), these are the moments we'll never forget
Reports suggest the band are "seriously pondering" the offer to perform at the event
"We would love to do Glasto"
Emma Bunton has also spoken out about a potential Worthy Farm set from the girl group
The Stockport band were also joined by Miles Kane at the O2 Brixton Academy
David Beckham – who's married to the singer's former bandmate, Victoria – has been criticised over his reported £10million deal with the host nation