The Ex Factor: Ladies who couldn't resist the lure of previous lovers
Friends described them as having a ‘peculiar chemistry’.
And this ensured Sean Penn and Robin Wright Penn were together for two decades and had two children during their tempestuous relationship.
Having met in 1990, the actors dated for six years before tying the knot in 1996. Their union faltered by 2007 and they applied for divorce.
A year later in April 2008, they decided to give their marriage another go.
In all, the Hollywood duo were to start divorce proceedings twice more, always reuniting at the 11th hour.
It was in 2010 when they finally made their separation official