Gatlin ist am 7.7.1997 in Nashville Tennessee geboren und derzeit 18 Jahre alt
Green began acting at age 4. In 2012 she was a co–star in the web–based interactive movie Finding Cody. In 2015 she had roles in episodes of Criminal Minds and Liv and Maddie before being cast as a main character in the Heroes Reborn miniseries. She appears in a promotional video, Open Your Heart, for the American Heart Association
With her older brother they formed "Cooper and Gatlin" (also styled as Cooper & Gatlin), an acoustic folk–pop duo