[7] Herr began regularly wrestling on the independent circuits in 2019, participating in several promotions,[5] particularly in the Northeastern United States.

[9] She made her debut with All Elite Wrestling on October 11, 2021,[5][10] in a losing match to Penelope Ford on AEW Dark: Elevation.

On the April 6, 2023 episode of Ring of Honor Wrestling, Mimi made her debut in a losing effort to Willow Nightingale.

Notorious Mimi debuted in Major League Wrestling at the October 14th taping in a loss against Tiara James.

Herr was featured on Monster Factory, an Apple TV docu-series created that focused on the wrestling school where she trained.