|2014–18||Nicky, Ricky, Dicky & Dawn||Dawn Harper||Main Role|
|2014||Damaged Goods||Young Nicole||Minor
|2015||Nickelodeon’s Ho Ho Holiday Special (TV Movie)||Herself||Main Role|
|2017||Nickelodeon's Sizzling Summer Camp Special||Herself||Main
|2017||Nickelodeon’s Ultimate Halloween Haunted House||Host||Main
|2017||Tiny Christmas||Barkley||Main Role|
|2018||Knight Squad||Shadow Ghost||Guest Role (1 episode)|
|2018-||A Million Little Things||Sophie Dixon||Main Role|
|2019||Cousins for Life||Natalie||Guest Role (1 episode)|
Lizzy was born in Dallas, Texas. She lives with her parents and brother, Garrett. She was discovered in June 2013 at John D'Aquino's Young Actors Intensive talent workshop in Dallas. She started auditioning by submitting audition tapes to different casting agencies. In 2013, she landed the female lead role of Nicky, Ricky, Dicky and Dawn.
Lizzy's hobbies include playing soccer, drawing, swimming and listening to music. She has a cat named Coco Chanel and a German Shepherd called Jett.
- She attended the Fun House Theater and Film school in Plano, Texas.
- She was attending John D'Aquino's Young Actors Intensive in June of 2013 when she was discovered by a Los Angeles talent manager.
- She is the oldest out of Aidan Gallagher, Casey Simpson, and Mace Coronel.
- One of Lizzy's favorite Christmas songs is Let It Snow.