| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Al Murray | Cast | Actor | 1 | |
 Catherine Tate | Cast | Actress | Self | 1 |
 Charlotte Church | Cast | Actress | Self | 2 |
 Craig David | Cast | Actor | Self | 2 |
 Dannii Minogue | Cast | Actress | Self | 1 |
 Debbie Harry | Cast | Actress | Self | 1 |
 Fearne Cotton | Cast | Actress | Self | 2 |
 Gary Lineker | Cast | 1 | ||
 Gwen Stefani | Cast | Actress | 1 | |
 Hilary Duff | Cast | Actress | Self | 2 |
 Jessica Sutta | Cast | Actress | 1 | |
 Mariah Carey | Cast | Actress | Self | 1 |
 Nicki Chapman | Cast | Actress | Self | 1 |
 Noddy Holder | Cast | Actor | Self | 1 |
 Paris Hilton | Cast | Actress | Self | 1 |
 Paul Danan | Cast | Actor | Self | 1 |
 Shakira | Cast | Actress | Self | 1 |
 Stevie Wonder | Cast | Actor | Self | 1 |
 Vanessa Brown | Cast | Actress | Self | 1 |
 50 Cent | Cast | Actor | Self | 1 |
 Andy Abraham | Cast | Self | 1 | |
 Beverley Knight | Cast | Actress | Herself | 1 |
 Chantelle Houghton | Cast | Actress | Self | 1 |
 Chico Slimani | Cast | Self | 1 | |
 Jamelia | Cast | Actress | Self | 1 |
 Jessica Taylor | Cast | Actress | Self | 1 |
 KT Tunstall | Cast | Actress | Self | 1 |
 Kelly Clarkson | Cast | Actress | 2 | |
Kenzie | Cast | Actor | Self | 2 |
 Kimberly Wyatt | Cast | Actress | Self | 1 |
 Lee Ryan | Cast | Actor | 1 | |
 Melody Thornton | Cast | Actress | 1 | |
 Ricky Wilson | Cast | Actor | 1 | |
 Will Young | Cast | Actor | Self | 1 |
Joel Ross | Cast | 1 | ||
Michelle McManus | Cast | Self | 1 | |
 Mark Rhodes | Cast | Actor | Self | 1 |
 Sam Nixon | Cast | Actor | Self | 1 |
 Liz McClarnon | Cast | Actress | Herself | 1 |
 Jenny Frost | Cast | Actress | Herself | 1 |
 James Blunt | Cast | Actor | Self | 2 |
 Shayne Ward | Cast | 2 | ||
 Daniel Powter | Cast | Actor | Self | 1 |
| Person | Type | Job | Role(s) | Episodes |
