Carrie Underwood’s roster of No. 1s just became 25 deep with her latest hit, “Dirty Laundry.” The singer just earned the No. 1 spot with the song on the country radio charts, marking her fourth No. 1 from Storyteller alone. Written by Ashley Gorley, Zach Crowell and Hillary Lindsey, the song is a feisty track about adultery and betrayal that Underwood sings with conviction — though she and husband Mike Fisher are happily married.