Naomi Campbell's billionaire ex, Vladislav Doronin, filed a multi-million dollar lawsuit against her, the New York Post reports Naomi actually originated the legal action between the two, having filed suit against Vladislav back in FebruaryTMZ reported earlier this month that the 57-year-old Russian real estate developer, who Naomi dated between 2008 and 2013, is taking his ex to court on grounds she never repaid a loan he gave her.