All that's left on her tour is the Commonwealth U/school visit day, and a meeting Pres Mandela's widow, a reception and the audience with the President the last day.
So since they hyped Smart Works on tour, she's got to wear one of those:
Probably a couple more rewears:
Then something basic from like J Crew:
Navy, sky blue, olive, black and white appears to be her color palate.
I'd normal expect more local fashion but so far shes only worn earrings from one South African designer.