Leonardo ENGAGED to 26-year-old model Vittoria?

Hollywood heartthrob Leonardo DiCaprio is rumoured to be engaged. The 50-year-old actor is dating 26-year-old model Vittoria Ceretti. Speculation arose after a gossip site hinted at a proposal. Ceretti was spotted wearing a diamond ring. Sources say DiCaprio bought the ring. The couple was recently seen vacationing in Fiji. DiCaprio has never been engaged before.