Kacey Lee Musgraves (born August 21, 1988) is an American singer, songwriter, and musician. She began her career in the early 2000s, when she self-released three solo albums and recorded another album as a member of the duo Texas Two Bits. In 2007, Musgraves appeared on the fifth season of the USA Network singing competition Nashville Star, where she finished in seventh place. In 2012, she signed with Mercury Nashville and released the hit single "Merry Go 'Round". Her major-label debut studio album, Same Trailer Different Park (2013), won the Grammy Award for Best Country Album at the 56th Annual Grammy Awards.

Musgraves' second studio album, Pageant Material (2015), debuted at number three on the Billboard 200 chart and yielded the critically and commercially successful singles "Biscuits" and "Dime Store Cowgirl". She released a Christmas-themed album, A Very Kacey Christmas (2016). Her fourth studio album Golden Hour (2018) was released to widespread critical acclaim and won all four of its nominated Grammy Award categories, including Album of the Year and Best Country Album. The album's first two singles, "Space Cowboy" and "Butterflies", won the Grammy Award for Best Country Song and Best Country Solo Performance, respectively. Musgraves' fifth studio album, Star-Crossed (2021), became her fourth top-ten album on the Billboard 200. In 2023, she was featured on the single "I Remember Everything" by Zach Bryan, which debuted at number one on the Billboard Hot 100 chart, and won a Grammy Award for Best Country Duo/Group Performance. Her sixth studio album, Deeper Well (2024), peaked at number two on the Billboard 200, and the album's single "The Architect" won the Grammy Award for Best Country Song.

Musgraves has won eight Grammy Awards, seven Country Music Association Awards, and four Academy of Country Music Awards.