Performers for the fifth annual Emerald Ball at Heat Nightclub are busy readying wigs, gowns and spangles for their March 13 fundraiser benefiting Pride Center San Antonio. The burlesque drag show will feature the talents of performers, Remi Martini, Pystol Whips, Anny Conda, Tencha la Jefa, Ada Vox, Kristi Waters, Maxxy Radd, Fat Bottom Cabaret,…