Bettie Page Movie Wig Who Is Dancing At The End Of "The Notorious Bettie Page"?

Who is dancing at the end of "The Notorious Bettie Page"? - bettie page movie wig

In the film "The Notorious Bettie Page" is a woman does a little dance during the credits. I think it's Gretchen Mol, Bettie Page, the actress who plays in the film. Others argue that it is dance Bettie Page, while the credits roll. I need to know.