Disney's "Frozen" is currently showing ... "Nobody understands or predicts how Sven is going to be brought to life." The puppet is a large costume filled with mechanical intricacies that allow ...

Watch Jenna Lea Rosen do the iconic Elsa costume change in Frozen at Theatre Under The Stars in a video! The big reveal comes during 'Let It Go,' when Elsa sheds her royal garb for her ice queen ...