Tinsley Mortimer ‘struggling for popularity’ after joining RHONY cast… with co-stars upset over ‘lack of gratitude’ to ‘landlady’ Sonja Morgan Tinsley Mortimer hoped that by joining the cast of Bravo’s Real Housewives Of New York she would be able to regain her position as one of New York’s top socialites. The gossip site claims that Tinsley, 41, has provoked the wrath of her reality TV co-stars by being ungracious to Sonja Morgan with whom she has been staying during filming.