This is a 2013 song by Avril Lavigne that features Demi Lovato. It’s a high-energy track about rebellion and "bad girl" attitudes.
It features heavy percussion and Demi's signature "power belt," similar to her work on the Holy Fvck album but with a more polished pop production. If you'd like, I can: Help you find the lyrics to "Bad Chick" or "Bad Girl." Demi Lovato Bad Chick mp3
Like many unreleased demos, it found its way onto the internet via fan forums and YouTube, where it became a cult favorite among "Lovatics" who preferred her rock-heavy vocals. This is a 2013 song by Avril Lavigne
However, it is likely you are looking for one of the following tracks with similar themes or titles: If you'd like, I can: Help you find
This is a heavily circulated unreleased track from earlier in Demi's career (often associated with the Demi or Confident eras). It is a pop-rock anthem about female empowerment and confidence.