 Pfeiffer and Horton decided to separate in 1988, and were divorced two years later; Horton later blamed the split on their devotion to their work rather than on their marriage.After her marriage to Horton, Pfeiffer had a three-year relationship with actor/producer Fisher Stevens.They met when Pfeiffer was starring in the New York Shakespeare Festival production of "Twelfth Night", in which Stevens played the role of Sir Andrew Aguecheek.