2001
While starring in Fire Over England, Laurence Olivier and Vivien Leigh fell in love, married, and performed in a number of films and plays together, including their famed stage production of Romeo and Juliet. However, Olivier filed for divorce after years of marriage, something Leigh was never able to get over.
One of the first headline celebrity couples of the modern era, the romance between acclaimed actors Kurt Russell and Goldie Hawn shocked the world initially, largely due to Hawn's full decade his senior, but quickly became a staple of celebrity culture, remaining so and growing for the decades following.