JLS, Jessie J and Ed Sheeran will all be performing at The Queen's Jubilee rave thing later this year.
The party — organised by Gary Barlow — will be held in Buckingham Palace Garden and tickets are available via ballot only.
Other acts rumoured to be added to the bill include Sir Paul McCartney, Sir Cliff Richard, and Lord Annie Lennox. Barlow will be announcing the full lineup tonight on The One Show.
If you'd like to go, and why wouldn't you, you can register for tickets here.