JOHANNESBURG, SOUTH AFRICA - DECEMBER 08:  Winnie Madikizela-Mandela, ex-wife of former South Africa President Nelson Mandela prays as she attends a service at Bryanston Methodist Church during a national day of prayer, on December 8, 2013 in Johannesburg, South Africa. Mandela, also known as Madiba, passed away on the evening of December 5th, 2013 at his home in Houghton at the age of 95. Mandela became South Africa's first black president in 1994 after spending 27 years in jail for his activism against apartheid in a racially-divided South Africa  (Photo by Christopher Furlong/Getty Images)