Mokoena had been missing since April 28, her disappearance becoming the subject of a social media trend as users searched for her whereabouts.
Picture: Khanyisile Ngcobo/IOL
There was much singing as family, friends and members of the public waited for the memorial service to get underway.
The memorial service was set to begin at 2pm and run until 4pm.
Some of those present included members of the African National Congress as well as an artist, who drew a portrait of the late Mokoena.
Her boyfriend, Sandile Mantsoe, 27, who is a forex trader, faces charges of premeditated murder and defeating the ends of justice.
His case was postponed to May 24 for a formal bail application.
Mokoena's funeral will take place on May 19 at the Westpark Cemetery.