Global mega-star Katy Perry performs exclusively for ITV in a night full of spectacular performances from her incredible back catalogue and new album.
Katy Perry
Orlando Bloom
Tom Grennan
AJ Odudu
Brian May
Score: 7.0
Score: 10.0
Score: 4.5
Score: 8.0
Score: 8.5
Score: 0.0
Score: 7.0
Score: 9.3
