Billboard Women in Music is an annual event held by Billboard. Its main award is titled Woman of the Year, established to recognize "women in the music industry who have made significant contributions to the business and who, through their work and continued success, inspire generations of women to take on increasing responsibilities within the field", according to the magazine.[1] Taylor Swift is the most awarded woman of the event, with three awards (two Woman of the Year awards and the Woman of the Decade award).
In 2007, Reba McEntire was honored with Billboard's first Woman of the Year Award because of "her success as a recording artist, contributions to the business, and leadership in embracing the changing music business."[1] Every year since then, Billboard has honored a female artist with the award. Taylor Swift is the first and only woman to be honored more than once. Billie Eilish is the youngest artist to ever be honored with the award. The most recent winner is Cardi B, the first female rapper to receive the accolade.[3]

2007: Reba McEntire
2008: Ciara
2009: Beyoncé
2010: Fergie
2011: Taylor Swift
2012: Katy Perry
2013: Pink
2014: Taylor Swift
2015: Lady Gaga
2016: Madonna
2017: Selena Gomez
2018: Ariana Grande
2019: Billie Eilish
2020: Cardi B