"Before He Cheats" is a song by American singer Carrie Underwood from her debut studio album, Some Hearts (2005). Written by Chris Tompkins and Josh Kear, it was released as the fourth single from the album. The song tells the story of a woman taking revenge on her unfaithful partner.

Carrie Marie Underwood is an American singer. She rose to prominence after winning the fourth season of American Idol in 2005. Underwood's single "Inside Your Heaven" made her the first country artist to debut atop the Billboard Hot 100 chart and the only solo country artist in the 2000s to have a number-one song on the Hot 100. Her debut album, Some Hearts (2005), was bolstered by the successful crossover singles "Jesus, Take the Wheel" and "Before He Cheats", becoming the best-selling solo female debut album in country music history. She won three Grammy Awards for the album, including Best New Artist. The next studio album, Carnival Ride (2007) had one of the biggest opening weeks of all time by a female artist and won two Grammy Awards. Her third studio album, Play On (2009), produced the single "Cowboy Casanova", which had one of the biggest single-week upward movements on the Hot 100.