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BASEL, SWITZERLAND - JUNE 13: (L to R) Ndaba Mandela, Bertille Sefolosha, Princess Eugenie of York, Alia Al-Senussi, Thabo Sefolosha and Kweku Mandela attend the UNAIDS Gala during Art Basel 2016 at Design Miami/ Basel on June 13, 2016 in Basel, Switzerland. (Photo by David M. Benett/Dave Benett/Getty Images)

BASEL, SWITZERLAND - JUNE 13:  (L to R) Ndaba Mandela, Bertille Sefolosha, Princess Eugenie of York, Alia Al-Senussi, Thabo Sefolosha and Kweku Mandela attend the UNAIDS Gala during Art Basel 2016 at Design Miami/ Basel on June 13, 2016 in Basel, Switzerland.  (Photo by David M. Benett/Dave Benett/Getty Images)