Guest Stars Gary Barlow as Himself Kylie Minogue as Herself Paloma Faith as Herself Graham Norton as Himself Zoe Ball as Herself Jess Glynne as Herself Matt Baker as Himself Bryan Adams as Himself Rylan as Himself (Rylan Clark-Neal) Andrew Lloyd Webber as Himself Sam Nixon as Himself Mark Rhodes as Himself Jamie Cullum as Himself Gregory Porter as Himself Tess Daly as Herself James Morrison as Himself Jodie Whittaker as Herself Bill Bailey as Himself Suranne Jones as Herself Caroline Quentin as Herself Romesh Ranganathan as Stuart Lenny Henry as Himself David Walliams as Himself Dolly Parton as Herself Claudia Winkleman as Herself Danny Dyer as Himself Louise Minchin as Herself Angela Rippon voices The Wall Mackenzie Crook as Worzel Gummidge Mandip Gill as Herself Bill Paterson voices Himself (Narrator) Cher as Herself Brendan O'Carroll as Mrs Brown Robbie Williams as Himself Melanie C as Herself Julie Tatchell as Herself Maisie Smith as Herself Kym Marsh as Herself Tom Davis as Gary King Nile Rodgers as Himself Shawn Mendes as Himself Lenny Kravitz as Himself Bruno Tonioli as Himself Dan Walker as Himself Adam Henson as Himself Rebecca Ferguson as Herself Shirley Ballas as Herself Ava Max as Herself Bryony Corrigan as Herself Laura Checkley as Terri King Amanda Middleditch as Herself Henry Shields as Himself Joe Swash as Himself Fleur East as Herself Henry Lewis as Himself Giovanni Pernice as Himself Howard Donald as Himself Richard McCourt as Diddy Dick Oti Mabuse as Herself Katya Jones as Herself KSI as Himself Little Mix as Diddy Little Mix Dominic Wood as Diddy Dom Motsi Mabuse as Herself Jack Savoretti as Himself Beverley Knight as Herself Izzy Bizu as Herself Charlie Russell as Herself Ella Eyre as Herself HRVY as Himself Carol Kirkwood as Herself Naga Munchetty as Herself Craig Revel Horwood as Himself Roger Griffiths as Himself Jamie Laing as Himself Chris Leask as Himself Clean Bandit as Themselves Nicola Adams as Herself Jay Sean as Himself Anoushka Shankar as Herself Ranvir Singh as Herself Anton Du Beke as Himself Jason Bell as Himself Ian Waite as Himself Peter Crouch as Himself Phil Fletcher as Hacker T. Dog Lindsey Russell as Herself Joe Wicks as Himself Max George as Himself Clara Amfo as Herself Andy Murray as Himself Tim Henman as Himself JJ Chalmers as Himself Sheku Kanneh-Mason as Himself Aljaž Škorjanec as Himself Janette Manrara as Herself Gorka Márquez as Himself Tony Clay as Himself Jacqui Smith as Herself Jay Blades as Himself Amy Dowden as Herself Michael Winsor voices Basil Brush Lauv as Himself Dianne Buswell as Herself Yola as Herself Karen Hauer as Herself Marcus Rashford as Himself Johannes Radebe as Himself Luba Mushtuk as Herself Carrie Hope Fletcher as Herself Kidzbop as Themselves Jonathan Sayer as Himself Dave Hearn as Himself Nancy Zamit as Herself Greg Tannahill as Himself Brian Pitt as Himself