Nia Vardalos and John Corbett have known each other a long time. I'm talking more years than you can count on your hands. It's been 14 years since they filmed My Big Fat Greek Wedding, and now they've reprised their roles as married couple Toula and Ian for My Big Fat Greek Wedding 2. After all this time the real life friends, and on-screen spouses probably should know a thing or two about each other, so we decided to test their knowledge. Here's what happened.