Nicole Richie was adopted by Lionel Richie and his first wife.
Nicole Richie appeared in reality TV show The Simple Life with Paris Hilton.
It proved a hit and further series followed.
At one point they fell out but resolved their differences in 2006.
Both Richie and Paris Hilton have had problems with drug abuse and been sentenced to prison.
In August 2007, Nicole Richie served just 82 minutes of a four-day sentence for driving under the influence of alcohol.
She was found driving the wrong way down a motorway.
In January 2008, Nicole Richie and Joel Madden had a baby daughter, Harlow Winter Kate Madden.
