Actually that is totally how I walk around the house sometimes, especially after watching SYTYCD or something like that. <----- yup, walk like this a lot, too. and I'm not even a ballet dancer! I do hip hop!
1942 shot of SFB ballerinas Ruby Asquith & Onna White backstage in Coppelia FYI: Onna went on to become a leading choreographer for Broadway AND Hollywood — her movies include Bye Bye Birdie and Oliver!