It aims to raise awareness about missing persons, including Diamond and Tionda Bradley, who disappeared 12 years ago.
The girls' aunt helped organize the event, which takes place from 12-1 p.m. at 3900 South Cottage Grove.
Besides the Bradley sisters, today's event also focuses on Yasmin Acree, Rachel Mellon Skemp, Latashia Nevitt, Nicholas Brown, and Brad Olsen.