Nicole Richie began a high-profile relationship with Adam Goldstein, best known as DJ AM, in 2003. The couple announced their engagement in 2005, but broke up in 2006. Richie went on to marry singer Joel Madden in 2010. DJ dated actress Mandy Moore and model Hayley Wood, but tragically passed away in 2010 from a drug overdose. —XFINITY Entertainment Staff (AP Photo/Chris Polk)
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