Who is this high pitched female singer?

I don't know the name of the band or the singer. The other day in school a kid in my class showed me some of their videos and they were sketchy as hell. They were off the rails creepy, weird, insane, etc; they would make Lil John videos look like treehouse specials. The female singers face actually reminded me of Lady Gagas. You'd never see these videos on Much Music lol. If you can think of any singers/ band they're apart of that match this description let me know.