33-year-old drag racer and "Street Outlaws: No Prep Kings" star Lizzy Musi died after battling stage 4 breast cancer.

33-year-old drag racer and "Street Outlaws: No Prep Kings" star, Lizzy Musi, has died after a battle with stage 4 breast cancer. Musi, who was a top female street racer and set several records during her career, revealed her cancer diagnosis last year and stepped away from the show to seek treatment. This marks the second death of a "Street Outlaws" star this year, following the death of Nathan Schaldach in April.