After nearly two decades of red carpets, the fairytale is over for Nicole Kidman and Keith Urban. And now, thanks to an insider with new tea, we (might) finally know what cracked the glossy veneer of their seemingly perfect marriage. Spoiler alert: it wasn't a cheating scandal - or at least it wasn't only a potential cheating scandal. (Uhhh...) No, it was something even more relatable for some celebs...