Kacey Musgraves wrote the hit song "Mama's Broken Heart," but Miranda Lambert recorded the single in 2011 - is tension from the 2013 CMAs resurfacing on social media?; Ella Langley wrote her new song "Be Her" in 30 mins; Riley Green is releasing another steamy country duet, but this time with powerhouse vocalist Carly Pearce - it's the Tea with KP!