There are few voices that need no introduction — and Chaka Khan‘s is one of them. After more than five decades of making fans feel like “Every Woman,” the powerhouse behind some of music’s biggest grooves still has plenty of fire left in her. “My proudest moment is being here during this time,” Khan says exclusively in her 25 Things You Don’t Know About Me interview from the latest issue of Us, on newsstands now. “Still singing, still creating, still loving what I love to do.” Keep scrolling to catch another side of the “Queen of Funk,” as she opens up about making music with her goddaughter Sia, the monster-movie influence behind her…