Kelly Osbourne has been admitted to rehab for the third time, though the exact nature of her problem has not been revealed.
Kelly's brother Jack went into rehab at the age of 17 when his parents found out he was drinking and smoking cannabis. He now seems to get his kicks on his extreme sports TV show.
Tom Chaplin from Keane checked into rehab for alcohol and cocaine addiction in 2006. He famously said: "I was spending a lot of time at home crying in front of Cash In The Attic."
The Darkness singer Justin Hawkins was in The Priory at the same time as Keane's Tom Chaplin, claiming that he'd spent £150,000 on drugs in the course of three years.
Robbie Williams' drug and alcohol problems are well documented, and he seemed to have conquered his demons before going back into rehab in 2007 for dependency on prescription medication.
Despite famously singing to the contrary , Amy Winehouse has entered rehab facilities several times in efforts to beat her addictions.
Troubled pop princess Britney Spears has been in and out of rehab numerous times as she battles her personal demons.
Hollywood heart throb Colin Farrell had a seemingly successful spell in rehab for his drink problem in 2006, and has managed to leave his hellraising ways behind him.
Red Dwarf and Corrie star Craig Charles spent time in rehab after a newspaper caught him indulging in a marathon crack cocaine session during a car journey from London to Manchester.
Daniella Westbrook, the former EastEnder who taught the nation the meaning of the term "deviated septum", spent time in rehab to beat her £400-a-day cocaine habit.