Sean Penn and Robin Wright

When it comes to being a world-famous celebrity, having to deal with everything in the spotlight comes with the territory. Even when you are dealing with something difficult or even exciting, the world will always be watching. Privacy is a privilege not afforded to those who have committed to a lifetime in front of the camera.

Just after his messy marriage to Madonna, Sean Penn met Robin Wright and found an instant connection. The pair welcomed two children before they married in 1996 and enjoyed many years together, but they officially called it quits in 2010 when the couple formally separated. Why do all good things come to an end?