the actress teased the collab last month
the actress says details will be revealed on Sept. 6
Busy performer returns to D.C. for two-night Howard Theatre engagement
Music of Beyonce, Bruno Mars and more at April 15 concert
Visually dazzling work was inspiration for Beyonce's 'Lemonade' video-album
season three premieres May 19
George Michael, Prince given tributes
singer revealed news on Instagram
thousands ask Beyoncè, Kendrick Lamar and Radiohead for donations
Mould, Beyonce, Ocean, Bowie deliver stellar albums
