I was looking around Youtube and i found a bunch of really good videos from the A Snow White Christmas rehearsals. The first video is of Ariana being interviewed by SweetyHigh.com, she talks a bit about the show and she tries on the Seven Dwarfs costume. The second video is of the photoshoot a few weeks ago, promoting the production. The final two are of Ariana in the rehearsals, one of an acting scene and one of a dancing scene.
Here they are-