From Mariah Carey to Kelsea Ballerini and more, ET is recapping some of the spookiest celebrity Halloween costumes. Check out some of ET's favorite new music of the week! Kelsea Ballerini sits ...

Kelsea Ballerini is just ... the air to reveal her figure-hugging costume. Another barely-there look included a chain dress adorned with red beads. Ballerini made the heavy metal moment even ...