Treat Williams: Barbara Niven Emotionally Remembers Late 'Chesapeake Shores' Co-Star (Exclusive)

Barbara Niven is mourning Treat Williams. The actress exclusively chats with ET's Deidre Behar about her late ‘Chesapeake Shores’ co-star and friend, who died in a motorcycle accident on Monday. Barbara, who played Treat’s love interest-turned-wife on the Hallmark Channel series, gets emotional remembering him. She shares her favorite memory together, and how she hopes Treat is remembered.