American model Presley Gerber, the son of supermodel Cindy Crawford and businessman Rande Gerber, died on Sunday aged 27, US media reported.He died at a rehab facility, according to online records from the Los Angeles County Medical Examiner. The cause of death was not listed.Crawford’s agent confirmed the death and told TMZ and CNN: “The family is asking for privacy during this very difficult and painful time.”Born in California in 1999, Presley Gerber modeled like his mother and sister Kaia Gerber, making his runway debut for Italian label Moschino aged 16.In recent years, he had spoken openly on social media about his mental health struggles and drug use.This is a developing story and our journalists are working on further updates.