Mislabeled: This is showing up under vintage black and white and I wouldn't have noticed but there was a comment that said this was Katy Perry. They are correct it is Katy Perry from her Thinking Of You video.
The Charleston dance became extremely popular in the especially with Flappers. The flappers had a beautiful style that was easier portrayed in posters, as their long dresses created movement to represent the Charleston.
“In everyone’s life, at some time, our inner fire goes out. It is then burst into flame by an encounter with another human being. We should all be thankful for those people who rekindle the inner spirit. Dance scene from Funny Face