Kelly Clarkson kicked off her Las Vegas residency at Planet Hollywood Resort and Casino's Bakkt Theater over the weekend with a message to her ex-husband, Brandon Blackstock, and a warning to her fans. After first covering Gayle's «ABCDEFU» in March on, the 41-year-old singer performed the cover again with her telling lyric change. In a clip captured on TikTok, the musician and talk show host sang, «F**k you and your dad and the fact that you got half, and my broken heart, turn that s**t into art.