Most well known for voicing Agnes in the Despicable Me films. She is also notable for her voice role as Masha in the English version of the animated television series Masha and the Bear. As a live action actress, she was cast as Kevin Costner's character's daughter in the 2015 feature film McFarland, USA.
Before rising to fame as the voice of Agnes, she appeared in a 2009 episode of the NBC series Medium.
She grew up with a brother named Nathan.
She and George Eads were both in the cast of the 2014 movie Gutshot Straight.