Jason Donovan plays Coach Bolton in the premiere of High School Musical the musical, a stage adaptation of the hit Disney film
The 1980s pop star will be performing with a 50-piece orchestra at the festival in Wiltshire.
The pop star was preparing for his appearance at the group's music festival in Devizes next month.
The pop star says his latest shows are the last of his current tour as he returns to Rocky Horror.
Kylie Minogue spots boy's sign and invites him to perform one of her hits at Birmingham concert.
The star says he is "sorry" to the fans who turned up on a day when he was scheduled not to perform.
Fans said they would not have booked if they had known the star would not be appearing.
Fifty years since it was first performed in a London theatre, the cult classic is back on stage.
