She subsequently began writing her own rap and hip hop songs that she posted on YouTube and Instagram.
High made her acting debut in 2019 when she did minor voice roles for the movie, The Lego Movie 2: The Second Part, and collaborated on the theme song for the film's soundtrack, Catchy Song,[9] with rapper T-Pain and producer Dillon Francis.
In 2020, she signed a deal with Nickelodeon to develop original multi-platform programming, music initiatives, and build a consumer product business catering to children and teens, and highlighting young actors and creative artists.
As a part of this deal, High was given her own television series on Nickelodeon, That Girl Lay Lay, where she currently plays as an artificially intelligent avatar on a phone app that comes to life as a human teen girl, when the owner of the phone, Sadie, wishes she had a friend who could help her stand out and be more outgoing in her high school career and social life.
High has also guest starred in other Nickelodeon series such as Side Hustle, Tyler Perry's Young Dylan, and Danger Force.