90 Day Fianc star Rob Warnes dating life is always full of exciting and unexpected twists and turns and this time, its no different. Rob is a 33-year-old man from Los Angeles who was introduced in season 10 with his British partner, Sophie Sierra. Sophie had grown up in Spain after being born to a Jamaican father and a British mother. Being mixed race, Sophie faced a tough childhood and was glad to have found Rob, whod been through similar experiences even though he didnt come from a privileged background like hers.