So, when the Glastonbury organisers announced their line up with an ominous "Special Guest TBC" filling the slot directly before Jay-Z, we all started speculating, didn't we? Is it Coldplay? No. Is it Eminem? No. It is, in fact, none other than Amy Winehouse.
Asked by BBC Newsbeat if she thought Winehouse was too unreliable to take such a prominent slot on the bill, Glastonbury's Emily Eavis said: "I have total faith. I think she'll come and deliver. This is one of the biggest sets of the summer, supporting the most anticipated artists at Glastonbury in the past 38 years. I don't know how much [speculation that she is unreliable] is hot air from the press and how much is reality but she is pretty reliable actually. It's her personal life and no one really knows the extent of what she's up to and I don't think it should be public knowledge. We all know she's a brilliant performer and I think that's what we should be focussing on".