Over the weekend Girls Aloud's Sarah Harding checked herself out of rehab after battling her issues with alcohol and depression.
The singer is a long line of stars that have spent most of their careers in and out of rehab.
Gigwise has now put together a list of the most well known stars that have had struggles with drugs, alcohol and in some cases sex.
From the public meltdown of pop princess Britney Spears to Pete Doherty's struggle with drugs.
Elton John, Kelly Osbourne and Robbie Williams can also be found.
You can see the countdown below on Gigwise – check it out.
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Pete Doherty - Doherty has had a well documented addiction to drugs. The former Libertines member has been in and out of rehab numerous times. His manager once said: \"The only time I can be sure he's not doing heroin or crack is when he's in rehab or prison or asleep.\"
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