In Memoriam: 82 Stars We've Lost This Year

The MTV Rob & Big star passed away at age 45 in May. While Christopher's cause of death has yet to be officially revealed, TMZ reported that Christopher was dealing with heart issues prior to his death. According to his ex-wife, Shannon Turley, Christopher was hospitalized in Plano, TX, for several days while doctors monitored his heart and already had a defibrillator implanted in his chest. Doctors tried to resuscitate him for 30 minutes when his heart gave out and he died. Christopher is survived by his 9-year-old daughter Isis, who he shares with Shannon.