Will Smith reveals the secret to a long-lasting marriage…

Will Smith has been married to Jada Pinkett Smith for 18 years - which is a lifetime in Hollywood.

Two of the pair's children, Willow and Jaden, have even followed in their parents' footsteps in starting their own music and acting careers. But he's admitted it hasn't been easy. In fact, he's says his marriage has been "excruciating" at times, which takes a brave man to admit... "We've been married 20 years and we've been asking ourselves [what's the secret to marriage] and really at the end of the day it's just not quitting," he told Entertainment Tonight. "You can't expect it to be easy. It's like our marriage was the most difficult, grueling, excruciating thing that we have ever taken on in our lives. And you know we're just not quitters." So that's it according to Smith; don't be a quitter. Their marriage has been dogged by rumours of divorce in recent months, so Will took to Facebook to end the speculation. Will wrote: "So, in the interest of redundant, repetitious, over & over-again-ness... Jada and I are...NOT GETTING A DIVORCE!!!!!!!!!!!!! (sic)" In fact, he's a huge romantic...