This question is ambiguous without further context. It's likely asking which woman is a billionaire. Here's a breakdown of some of the top female billionaires as of 2021, based on the provided reference:
The reference provides a list of female billionaires from 2021. Here are the top 4:
| No. | Name | Birth date |
|---|---|---|
| 1 | Françoise Bettencourt Meyers | 10 July 1953 |
| 2 | Alice Walton | 7 October 1949 |
| 3 | MacKenzie Scott | 7 April 1970 |
| 4 | Julia Koch | 12 April 1962 |
Based on the information provided, Françoise Bettencourt Meyers, Alice Walton, MacKenzie Scott, and Julia Koch were all billionaires in 2021. The question needs to be more specific to identify which "girl" (woman) it's asking about.
