I read about it while I was in Giant. It's the craziest story ever. Plus she's 16 now?
Brooke Greenberg - An eternal baby?? - 2005
“For the past 10, 11 years, she’s looked the same,” said Brooke’s father, Howard Greenberg. “The price is, she’s adorable. She stopped aging at the right age.”
The Curious Case of Brooke Greenberg: 16-Year-Old Has the Body and Mind of a Toddler