Britney Spears wowed the fans at Apple Music Festival with the biggest UK concert in five years.<br />The pop legend managed eight outfit changes and sang songs from all her nine albums in an energetic 90-minute set at the Roundhouse in Camden, London.<br />“Do you guys want to get naughty?<br />Alright let’s get really naughty in here" she said to the crowd with her best english accent.
