| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Alicia Keys | Cast | Actress | Self | 2 |
 Cheryl | Cast | Actress | Self | 3 |
 Fearne Cotton | Cast | Actress | Self - Host | 2 |
 Jared Leto | Cast | Actor | Self | 1 |
 Pete Tong | Cast | Actor | Self | 1 |
 Shannon Leto | Cast | Actor | Self | 1 |
 Dizzee Rascal | Cast | Self | 2 | |
 Edith Bowman | Cast | Actress | Self - Host | 5 |
 Pixie Lott | Cast | Actress | Self | 1 |
 Rihanna | Cast | Actress | Self | 1 |
 Scott Mills | Cast | Actor | Self | 1 |
 Calvin Harris | Cast | Actor | Self | 1 |
 Ed Sheeran | Cast | Actor | Self | 1 |
 Emer Kenny | Cast | Actress | Self | 1 |
 Joe Jonas | Cast | Actor | Self | 2 |
 Kate Nash | Cast | Actress | Self | 1 |
 Kevin Jonas | Cast | Actor | Self | 2 |
 Nick Jonas | Cast | Actor | Self | 2 |
 Paolo Nutini | Cast | Actor | Self | 1 |
 Plan B | Cast | Actor | Self | 1 |
 Taio Cruz | Cast | Actor | Self | 1 |
 Tinie Tempah | Cast | Actor | Self | 1 |
 Christopher Lloyd Hayden | Cast | Actor | Self | 3 |
 Florence Welch | Cast | Actress | Self | 3 |
Isabella Summers | Cast | Actress | Self | 3 |
Jeremy Davis | Cast | Actor | Self | 1 |
 Justin Bieber | Cast | Actor | Self | 1 |
 Kesha | Cast | Actress | Self | 1 |
 MARINA | Cast | Actress | Self | 1 |
 Niall Horan | Cast | Actor | Self | 1 |
Robert Ackroyd | Cast | Self | 3 | |
Sam Attwater | Cast | Self | 1 | |
Tom Monger | Cast | Self | 3 | |
 Jamie xx | Cast | Actor | Self | 1 |
 Hayley Williams | Cast | Actress | Self | 1 |
 Maxi Jazz | Cast | Actor | Self | 1 |
 Sister Bliss | Cast | Actress | Self | 1 |
 Ellie Goulding | Cast | Actress | Self | 2 |
 Reggie Yates | Cast | Actor | Self - Host | 6 |
 Andrew VanWyngarden | Cast | Actor | Self | 1 |
 Clara Amfo | Cast | Actress | Self - Presenter | 1 |
 Anne-Marie | Cast | Actress | Self | 2 |
James Richardson | Cast | Actor | Self | 1 |
 Simon Neil | Cast | Self | 1 | |
 James Johnston | Cast | Self | 1 | |
 Zara Larsson | Cast | Actress | Self | 1 |
Leon Rolle | Cast | Self | 1 | |
Rollo Armstrong | Cast | Self | 1 | |
 Jess Glynne | Cast | Actress | Self | 1 |
 Aston Merrygold | Cast | Actor | Self | 2 |
 Lewis Capaldi | Cast | Actor | Self | 2 |
 Greg James | Cast | Actor | Self | 1 |
 Marvin Humes | Cast | Actor | Self | 2 |
 Oritsé Williams | Cast | Self | 2 | |
 JB Gill | Cast | Self | 2 | |
 Vick Hope | Cast | Actress | Self - Presenter | 1 |
 Ben Johnston | Cast | Self | 1 | |
 Adam Hann | Cast | Actor | Self | 2 |
 Ross MacDonald | Cast | Actor | Self | 2 |
 George Daniel | Cast | Actor | Self | 2 |
 Matty Healy | Cast | Actor | Self | 2 |
Esmee Denters | Cast | Self | 1 | |
 Joel Corry | Cast | Actor | Self | 1 |
 Dominic Craik | Cast | Self | 1 | |
 Joe Langridge-Brown | Cast | Actor | Self | 1 |
 Conor Mason | Cast | Actor | Self | 1 |
 Philip Blake | Cast | Self | 1 | |
 James Price | Cast | Self | 1 | |
 Mike Kerr | Cast | Actor | Self | 1 |
 Ben Thatcher | Cast | Actor | Self | 1 |
 Jordan North | Cast | Actor | Self - Presenter | 1 |
 Arlo Parks | Cast | Actress | Self | 1 |
Georgia | Cast | Self | 1 | |
 Self Esteem | Cast | Actress | Self | 1 |
Romy | Cast | Actress | Self | 1 |
Ben Goldwasser | Cast | Self | 1 | |
 Chip | Cast | Actor | Self | 1 |
 RAYE | Cast | Actress | Self | 2 |
 Elijah Hewson | Cast | Actor | Self | 1 |
 Josh Jenkinson | Cast | Self | 1 | |
 Ryan McMahon | Cast | Actor | 1 | |
 Robert Keating | Cast | Actor | Self | 1 |
 Sam Fender | Cast | Actor | Self | 1 |
Pa Salieu | Cast | Self | 1 | |
Hester Chambers | Cast | Self | 1 | |
Rhian Teasdale | Cast | Self | 1 | |
 Mimi Webb | Cast | Actress | Self | 2 |
Ian Watkins | Cast | Self | 1 | |
Kesi Dryden | Cast | Self | 1 | |
Piers Aggett | Cast | Self | 1 | |
 Arielle Free | Cast | Self | 1 | |
 Cat Burns | Cast | Self | 1 | |
 Tom Grennan | Cast | Self | 1 | |
Zac Farro | Cast | Self | 1 | |
Taylor York | Cast | Self | 1 | |
| Person | Type | Job | Role(s) | Episodes |
