Stars including Lady Gaga, Daisy Lowe and Nick Grimshaw paid tribute to Michael Jackson in the PlayStation 3 SingStar VIP area.
I saw them all singing along to Earth Song, ABC and Rock With You. But not everything went quite to plan for Lady Gaga who, amazingly, was abandoned by her entourage as she performed her blistering set on the pyramid stage.
Radio 1 DJ Jo Whiley also thought she was a highlight of the festival. She said: “I thought she was amazing – and I especially liked her intentional flashing!”