If you want to take the dressing up a step further and really get into the glamour, try 'Burlesque Baby' dance class.

http://www.burlesquebaby.com/#/links/4533107216

Burlesque Baby Is london's First school of Burlesque
Classic Burlesque, Taught by Authentic Burlesque performers.
Traditional Moves reminicent of the forties and fifties
Burlesque showgirls.