The Voice UK coach Jessie J is set to perform at the Olympics closing ceremony.
The 'Domino' hit maker will be performing her song Price Tag at the event, as well as duetting with both Queen and Tinie Tempah on duets.
Monty Python comic Eric Idle will be performing The Bright Side Of Life, while X Factor judge Gary Barlow will also take to the stage with Take That.
Former X Factor finalists One Direction will also be appearing in front of billions of viewers, singing their hit track What Makes You Beautiful.
The show's producer Kent Gavin said: "We want to create a fabulous emotional experience, something people remember for years to come. It will be an elegant mash-up of British music."
Some tickets for the show are still available, but they'll set you back anywhere between £655 and £1,500 per person.