32. Demi Moore and Ashton Kutcher
Their marriage lasted from 2005-2013, and the relationship was defined as open, as long as they were physically together.
How he/she swings it: Although these two have already ended their 8-year relationship, there’s no denying that in those years—they’ve been both wildcats in bed.
Well, in all analysis, Demi seemed to have dominated Ashton for almost a decade. It is reported that Demi allowed a casual third party into their bedroom as long as she’s in control. The word is that she’s bisexual, but it’s not yet confirmed. Oh, Ashton…