What's the Difference? Celebrity Couples with Surprising Age Gaps

Ten, 15, 20 years: These famous relationships didn't let age stand in the way of love

MICHAEL DOUGLAS & CATHERINE ZETA-JONES

Age gap: 25 years
Another relationship that proves age is just a number, Douglas, 71, and Zeta-Jones, 46, met in 1998 and married in 2000.