- "The Curious Case of Natalia Grace: Natalia Speaks" appears to make a definitive judgment about Natalia's age.
- A TruDiagnostic DNA blood test shows that her biological age is close to 22.
- DNA tests like this are used to calculate genetic age, and don't necessarily match up to chronological age.
Natalia Grace's true age is much lower than her legal one — at least, according to the results of a DNA test she took while filming Max documentary "The Curious Case of Natalia Grace: Natalia Speaks."