gansters and criminals attained celebrity status. Your guests can all show up at your party dressed as gansters and molls. They can go for glamour and dress as mobsters like Bugsy Siegel or they can go more casual and dress like Bonnie and Clyde.
Might be a Colette Stall - French fashion magazine, Art, Gout, Beaute sometime in the probably 1924 or when white was having a major fashion moment. The little touches of red and blue help keep her from blending in with the snow.