Miami Beach, FL ??? September 18, 2012 ??? Tuesday night, entrepreneur and designer Angela Simmons, and 2012 Olympic Silver Medal winner and Oklahoma City Thunders center/forward Serge Ibaka had an EPIC birthday celebration on a Miami yacht that brought family & friends from as far as the Democratic Republic of Congo and celebrities such as OKC???s Kevin Durant, Keri Hilson, and Young Jeezy.