Director Ava DuVernay; actress Gugu Mbatha-Raw ("Loki"); Shaggy, Sean Paul, and Spice perform;Director Ava DuVernay; actress Gugu Mbatha-Raw ("Loki"); Shaggy, Sean Paul, and Spice perform;Director Ava DuVernay; actress Gugu Mbatha-Raw ("Loki"); Shaggy, Sean Paul, and Spice perform;