Last night (Oct. 27), that energy came out when the she joined CHVRCHES onstage at Nashville's Marathon Music Works. Frontwoman Lauren Mayberry and Williams shared vocal duties for a performance of "Bury It."
Like Williams, Mayberry is a pretty outspoken feminist. Earlier this year, the Paramore singer wrote a lengthy blog post about her newfound equality-focused lifestyle, recounting the mis-message of her band's hit "Misery Business." Read that here.