THERE'S a "really big" secret" about this year's Glastonbury Fetsival, according to co0organiser Emily Eavis.

She's told BBC's Newsbeat that they've managed to hold somethng back for the first time ever.

We already know Radiohead, Foo Fighters and Ed Sheeran are headlining the event at the end of June.

But Emily told Newsbeat: "We've managed to keep some big secrets recently and there's a couple more this year that haven't gone out yet as well.

"There's a really big one. I haven't even hinted or told anyone it's coming and we've managed to keep it completely quiet for the first time ever."