"I have always been transparent about my journey with addiction. What I've learned is that this illness is not something disappears or fades with time," singer writes
Three acts keep festivalgoers dancing in upper 90s heat at Chicago fest
Singer calls 1984 hit "one of my favorite songs ever written"
"I will never, and I mean this, ever forgive those who perpetuated this insanity," singer says of filmmakers behind 'Whitney,' which accused Dee Dee Warwick of abuse