6. Catherine Zeta-Jones and Michael Douglas: 25 years apart
Catherine was only 19 when she married Michael who at the time was 32 years old. They both have their birthdays on the same date September 25th. Zeta-Jones says that when they met, Douglas said to her straight away that he would father her children. They have two children, a girl and a boy. In August 2013 there were claims of separation between the two, which was followed by a reconciliation report in November 2013.