Seven-time CMA Awards hosts Carrie Underwood and Brad Paisley have gotten pretty comfortable - maybe too comfortable - on stage at the annual event. The duo kicked off Wednesday's show in Nashville with a nearly 10-minute long opening act that included multiple, er, memorable moments, like a jab at Renée Zellweger and her changing looks and a ditty about "ebola nurse" Kaci Hickox being out of quarantine. There was one welcome reveal though - when they an**unced that Carrie is expecting a baby boy! Regardless of the excitement, one star in the crowd, Miranda Lambert, didn't seem too thrilled with their jokes at all, keeping a straight face the entire time Carrie and Brad were at the mic. Keep reading for all the Awkward moments.