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

Lucy Guo, a Carnegie Mellon dropout, has become the world's youngest self-made woman billionaire, surpassing Taylor Swift. Guo's wealth stems from her

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