While in 3rd grade, they began their acting career by performing Shakespeare after school. They later created an acting troupe at their junior high school and joined their high school's improv troupe.
Bex was the winner of two Joey Awards in 2014 for their appearance in The Killing.
Bex was born Rebecca Edison Taylor-Klaus in Atlanta, Georgia and grew up with two younger sisters. In 2012, they moved to Los Angeles to pursue an acting career.