6. Tom Cruise and Katie Holmes

Tom Cruise and Katie Holmes at the Vanity Fair Oscar Party at Sunset Tower on February 26, 2012 in West Hollywood, CaliforniaJoe Seer/Bigstock.com 

Age Gap: 16 years

We were astonished when Tom Cruise started dating Katie Holmes who was known for her character in the teen drama Dawson’s Creek. They were married in November 2006 and have a daughter together. However, this relationship also came to an end in 2006 when Katie filed for divorce.

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