They call her Cha Cha because she's the best dancer at St. Bernadette's, with the worst reputation and the most iconic undergarments. If good girls go to heaven and bad girls go everywhere, Grease Dance Costume Etsy 7 Grease fashion looks that still make perfect sense today Grease Costume Hire Spotlight Productions Bringing back The Bop dance from the Marvelous Mrs. Maisel featuring our lovely Ariel in a variety of 1950s dresses designed by the late Martin Pakledinaz for the 2007 production of Grease! ,