Karla Camila Cabello Estrabao is an American singer and songwriter. She rose to prominence as a member of the girl group Fifth Harmony, which became one of the best-selling girl groups of all time. While in Fifth Harmony, Cabello began to establish herself as a solo artist with the release of her collaborative singles "I Know What You Did Last Summer" and "Bad Things" —the latter peaked at number four on the US Billboard Hot 100. She left the group in late 2016.

Fifth Harmony, often shortened to 5H, is an American girl group based in Miami, composed of Ally Brooke, Normani, Dinah Jane, Lauren Jauregui, and Camila Cabello until Cabello's departure from the group in December 2016. The group signed a joint record deal with Simon Cowell's label Syco Records and L.A. Reid's label Epic Records after forming and were the last contestant eliminated in the second season of the American singing competition series The X Factor in 2012.