I'm sure you heard all about the Brittany Aldean/Maren Morris feud for a few months ago. If not, check it out HERE If you know what's going on, then you can understand why Jason took a jab at her in front of his audience over the weekend. And his fans, made a point of showing their support for him and his wife by booing her. At this point, it's over and it's time to move on.