Originally from Seattle Washington, Ellie Biddle began dancing at the age of four. After high school, she moved to Los Angeles to earn a degree in dance at Loyola Marymount University. While at LMU, she performed for Rihanna at the MTV Video Music Awards and performed at the Kennedy Center in Washington D.C. for the American College Dance Fest.

Since graduating from LMU, she has performed for Mike Esperanza with his own Bare Dance Company, danced in multiple performances for Andrew Winghart including his presentations of "Out of Darkness" and "Emergence" and performed with Talia Favia's The Difference Between at the Capezio Ace Awards. She is an original member of Royal Flux, performing with them around Los Angeles and Utah.

Other notable performances include performing for Paramore at the Teen Choice Awards, dancing in a commercial for Sensa and a web commercial for Fuller Brush Co. She can also be seen in music videos for artists Chanel West Coast and Synapson.