Complex sentence: He traveled with his own troupes, danced as a guest artist with different ballet companies worldwide, turned to acting in Hollywood, and became involved in a long-standing romance with actress Jacqueline Bisset, which ended in 1988.
Split into simpler sentences: He traveled with his own troupes, danced as a guest artist with different ballet companies worldwide, and turned to acting in Hollywood. He was also involved in a long-standing romance with actress Jacqueline Bisset, which ended in 1988.