His timeline of decline

1986:

Plays Private Chris Taylor in Platoon

1990:

Claims he accidentally shot fiancée Kelly Preston

1995:

Admits spending £35,000 on prostitutes at tax evasion trial of Hollywood madam Heidi Fleiss

1996:

Arrested for beating porn star Brittany Ashland

1998:

Hospitalised after a cocaine overdose

2005:

Second wife Denise Richards divorces him saying he was using drugs

2009:

Arrested for domestic violence against third wife Brooke Mueller

2011:

Allegedly parties with porn stars in Las Vegas. Later dismissed from Two and a Half Men. Mueller gets restraining order against him

2014:

Launches Twitter attack on Ashton Kutcher who replaced him on Two and a Half Men

OCTOBER 2014:

Breaks off engagement to porn star Brett Rossi. She takes an overdose the following month