ATLANTA, GA - AUGUST 06: Tina Campbell and Erica Campbell of Mary Mary perform on stage at Praise 102.5 Praise In The Park at Centennial Olympic Park on August 6, 2016 in Atlanta, Georgia. (Photo by Paras Griffin/Getty Images)
ATLANTA, GA - AUGUST 06: Tina Campbell and Erica Campbell of Mary Mary perform on stage at Praise 102.5 Praise In The Park at Centennial Olympic Park on August 6, 2016 in Atlanta, Georgia. (Photo by Paras Griffin/Getty Images)