Guest Stars Gary Barlow as Himself Kylie Minogue as Herself Paloma Faith as Herself Zoe Ball as Herself Graham Norton as Himself Rylan as Himself (Rylan Clark-Neal) Jess Glynne as Herself Matt Baker as Himself Bryan Adams as Himself Gregory Porter as Himself Andrew Lloyd Webber as Himself Sam Nixon as Himself Mark Rhodes as Himself Jamie Cullum as Himself Tess Daly as Herself James Morrison as Himself Jodie Whittaker as Herself Suranne Jones as Herself Mandip Gill as Herself Bill Bailey as Himself Shirley Ballas as Herself Caroline Quentin as Herself Claudia Winkleman as Herself Lenny Kravitz as Himself Mackenzie Crook as Worzel Gummidge David Walliams as Himself Bill Paterson voices Himself (Narrator) Romesh Ranganathan as Stuart Cher as Herself Lenny Henry as Himself Dolly Parton as Herself Danny Dyer as Himself Brendan O'Carroll as Mrs Brown Robbie Williams as Himself Melanie C as Herself Tom Davis as Gary King Kym Marsh as Herself Bruno Tonioli as Himself Shawn Mendes as Himself Adam Henson as Himself Louise Minchin as Herself Nile Rodgers as Himself Dan Walker as Himself Ava Max as Herself Bryony Corrigan as Herself Rebecca Ferguson as Herself Laura Checkley as Terri King Angela Rippon voices The Wall Henry Lewis as Himself Roger Griffiths as Himself KSI as Himself Henry Shields as Himself Amanda Middleditch as Herself Julie Tatchell as Herself HRVY as Himself Howard Donald as Himself Ella Eyre as Herself Carol Kirkwood as Herself Naga Munchetty as Herself Craig Revel Horwood as Himself Little Mix as Diddy Little Mix Charlie Russell as Herself Izzy Bizu as Herself Jack Savoretti as Himself Beverley Knight as Herself Dominic Wood as Diddy Dom Motsi Mabuse as Herself Joe Swash as Himself Jamie Laing as Himself Chris Leask as Himself Fleur East as Herself Maisie Smith as Herself 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 Richard McCourt as Diddy Dick Max George as Himself Giovanni Pernice 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 Oti Mabuse as Herself Katya Jones as Herself 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