Tech entrepreneur Lucy Guo, 30, recently dethroned Taylor Swift as the youngest self-made female billionaire on the planet.

Lucy Guo attends the 2022 Forbes 30 Under 30 Summit at Detroit Opera House on October 03, 2022 in Detroit, Michigan. She was recently named the youngest self-made billionaire woman in a new Forbes ...

Lucy Guo attends the 2022 Forbes 30 Under 30 Summit at Detroit Opera House on October 03, 2022 in Detroit, Michigan. She was recently named the youngest self-made billionaire woman in a new Forbes ...