Nicole Richie

Actress Nicole Richie is known to have struggled with numerous substance addictions, including heroin, cocaine and marijuana. 2006 saw the 32 year-old swamped with speculation over her plummeting weight, which she claimed was the result of an inability to gain weight. The same year, Richie was arrested for travelling in the wrong direction on a freeway after using marijuana and Vicodin.

Nicole Richie
Nicole Richie's Life Has Been Transformed Since Her Wild Youth.

Though Richie was sentenced to four days in jail, she served just 82 minutes of that sentence before she was released due to jail overcrowding. Nicole enrolled on an 18 month anti-drink driving programme and completed all terms of her probation. Now the mum-of-two is married to Good Charlotte lead singer Joel Madden and has created a charity to help children in need.

Macaulay Culkin

Here's a blast from the past: remember Home Alone child star Macaulay Culkin? In 2004, the actor went through a rough patch in his life and was arrested for the possession of marijuana and Xanax, for which he was briefly jailed. He went to court for misdemeanour drug offences which eventually led to three one- year suspended prison terms and a small fine to pay.

Macaulay Culkin
Child Star Macaulay Culkin Went Off The Rails.

What's he up to now? Well Culkin has teamed up with other Velvet Underground enthusiasts to form a pizza-themed cover band, The Pizza Underground, in which the former child star plays the kazoo. Indeed.