This is my fight song.
Take back my life song.
Prove I'm alright song.
My power's turned on.
I'll be strong.
I'll be strong.
I'll be my fight song.
And I don't really care if nobody else leaves.
Cause I've still got a lot of fight left in me.

Machine-made transcript. TikTok lists the audio as another account's original sound, so it may not be her voice.