In early 1982, Wagner began a relationship with actress Jill St. John, who coincidentally was a childhood acquaintance of Natalie Wood and Wagner's Hart to Hart co-star Stefanie Powers, as well as starring alongside Natalie's sister Lana Wood in Diamonds Are Forever. The couple had first met in the late 1950s when Wagner was an up-and-coming actor and St. John was a teenage starlet. After an eight-year courtship, they were married on (May 26, 1990 – present) They first met in 1959 and have been a couple since February 1982. Her Matron of honor at their wedding was Wagner's sister, Mary.
26 May 1990