Megan Thee Stallion In Perry White @ 2019 Diamond Ball BlogEVENTS by fashionsizzle on September 18, 2019 share Megan Thee Stallion attends Rihanna's 5th Annual Diamond Ball Benefitting The Clara Lionel Foundation at Cipriani Wall Street on September 12, 2019 in New York City. She wore a black custom Perry White gown. read more