Lucy Guo has officially dethroned Swift as the world's youngest self-made female billionaire—take a look at her impressive property portfolio.

The woman who just overtook Taylor Swift as the youngest self-made female billionaire isn’t letting that get to her head -- she's shaking off the Taylor Swift "dethroning" talk, and making one thing clear

The youngest self-made female millionaire is Lucy Guo, who co-founded Scale AI. Her estimated net worth is $1.25 billion, according to Forbes. Guo started learning to code as a child. After receiving a Thiel Fellowship,