New album: Stylish, charismatic, sexy, with a unique mix of South African dance music – gqom, amapiano, hip-hop, jazz and electronica, with a persona somewhere between Eartha Kitt, Nicki Minaj or Doja Cat, the starry, blue-haired Port Elizabeth-born rapper, model and designer’s fabulous second and double LP is all about ‘baddies’ and personal empowerment