CBB4: Jodie Marsh
CBB5: Jermaine Jackson, Jade Goody, Jo O'Meara
CBB6: Coolio, La Toya Jackson, Mutya Buena, Tina Malone
CBB7: Alex Reid, Jonas Altberg, Sisqo, Stephen Baldwin, Lady Sovereign
CBB8: Paddy Doherty, Kerry Katona, Jedward, Amy Childs, Lucien Laviscount, Tara Reid
CBB9: Denise Welch, Frankie Cocozza, Nicola McLean, Natalie Cassidy, Kirk Norcross, Andrew Stone
CBB10: Coleen Nolan, Martin Kemp, The Situation, Cheryl Fergison
CBB11: Rylan Clark, Speidi, Ryan Moloney, Claire Richards, Gillian Taylforth
CBB12: Charlotte Crosby, Carol McGiffin, Mario Falcone, Vicky Entwistle, Louie Spence, Courtney Stodden, Bruce Jones, Dustin Diamond
CBB13: Dappy, Ollie Locke, Luisa Zissman, Sam Faiers, Lee Ryan
CBB14: Gary Busey, James Jordan, George Gilbey, Dee Kelly, Lauren Goodger, Ricci Guarnaccio, Stephanie Pratt, Frenchy Morgan
CBB15: Katie Price, Katie Hopkins, Calum Best, Keith Chegwin, Michelle Visage, Perez Hilton, Nadia Sawalha, Patsy Kensit
CBB16: James Hill, Bobby Davro, Stevi Richie, Chloe-Jasmine, Sherrie Hewson, Janice Dickinson, Farrah Abraham, Gail Porter, Fatman Scoop, Tila Tequila
CBB17: Scotty T, Stephanie Davis, Tiffany Pollard, Danniella Westbrook, John Partridge, Gemma Collins, Christopher Maloney, Megan McKenna, David Gest
CBB18: Stephen Bear, Ricky Norwood, Renee Graziano, Marnie Simpson, Frankie Grande, Aubrey O'Day, Katie Waissel, Chloe Khan, Saira Khan, Christopher Biggins
CBB19: Kim Woodburn, Jessica Cunningham, Stacy Francis, Chloe Ferry, Ray J
CBB20: everyone except Chad Johnson
CBB21: Courtney Act, Ann Widdecombe, Amanda Barrie, Dapper Laughs, Andrew Brady, Ginuwine
CBB22: Ryan Thomas, Kirstie Alley, Dan Osborne, Roxanne Pallett, Rodrigo Alves, Natalie Nunn