Who are the girls in a static lullabys cover of toxic?

In A Static Lullaby's cover of "Toxic," the female vocals are performed by the band's former member, who is featured prominently in the song. The cover showcases a blend of post-hardcore elements with the original pop melody, providing a unique twist on Britney Spears' hit. The collaboration emphasizes the contrast between the heavier instrumentation and the softer, melodic vocals.