Ron Atkinson (aka Big Ron): Football player turned manager famous for his "Ronglish" turns of phrase.
He was forced to resign from his job as an ITV pundit in 2004 after making a racist comment about Chelsea defender Marcel Desailly.
Sophie Anderton: Model turned reality TV star who rose to fame after appearing in an advertising campaign for underwear brand Gossard.
Anderton has since spoken about how she developed a cocaine addiction after being told the drug would "keep her looking slim".
Abz Love (real name Richard Breen): Member of 90s boyband 5ive, which reformed for ITV2's The Big Reunion.
Abz credits his girlfriend with saving his life and has admitted throwing his money away on a champagne and drugs lifestyle.
Carol McGiffin: The longest-serving panellist on ITV1's Loose Women.
McGiffin used to be married radio DJ Chris Evans and is now engaged to Mark Cassidy, who is 22 years younger than her.
Louie Spence: Choreographer, TV personality and artistic director of Pineapple Dance Studios.
Spence rose to fame in the Sky One docusoap Pineapple Dance Studios and danced on tour with the Spice Girls.
Lauren Harries (born James Harries): Began her career appearing as a 10-year-old antiques dealer on Terry Wogan's chatshow in 1988 and was labelled a child prodigy.
James began cross-dressing in 1997 and changed her name to Lauren before undergoing a full sex change in 2001.
Dustin Diamond: American actor best known for his role as Samuel "Screech" Powers in Saved by the Bell.
Diamond notoriously directed and released his own sex tape and was declared bankrupt in 2000, claiming his parents "stole" the money.
Vicky Entwistle: Most famous for playing factory worker Janice Battersby in Coronation Street.
Entwistle left the show in 2010 after 13 years, saying, "I could easily have continued to play Janice for the rest of my acting career."
Bruce Jones: Best known for his role as cab driver Les Battersby in Coronation Street.
He left the soap opera in 2007 after making inappropriate comments to an undercover reporter and revealing future storylines.
He appeared on ITV News Wales in June talking about his new career as a mechanic in Abergele.
[Watch more: **Corrie actor fitting tyres in North Wales garage
Charlotte Crosby: Shot to fame on MTV's Geordie Shore.
Crosby was famously kicked out of the show's house in April after a fight with on-off lover Gaz which was deemed too violent to be shown.
Mario Falcone: Bespoke Saville Row tailor best known for starring as himself in The Only Way Is Essex.
Falcone became known for his on/off relationship with Lucy Mecklenburgh, which ended in February 2013.
Courtney Stodden: US TV personality famous for marrying Green Mile actor Doug Hutchinson, who was 51-years-old, when she was 16.
The couple starred in the second season of VH1's reality show Couples Therapy.
Danielle Marr: Celebrity botox doctor and clinical director of DermaFace Clinic.
She rose to fame through the reality show Dublin Wives, before quitting, saying she was sick of "carrying" her co-stars.
As they enter the house, Dustin Diamond and Louis Spence are the joint favourite to be crowned this year's Celebrity Big Brother champion by bookies Ladbrokes:
- 4/1 Dustin Diamond
- 4/1 Louie Spence
- 5/1 Abz Love
- 6/1 Mario Falcone
- 7/1 Charlotte Crosby
- 8/1 Danielle Marr
- 8/1 Vicky Entwistle
- 8/1 Lauren Harries
- 10/1 Bruce Jones
- 14/1 Sophie Anderson
- 20/1 Carol McGiffin
- 20/1 Ron Atkinson
- 25/1 Courtney Stodden