Elsa revives -- and eventually brings Olaf back to life, in one of the best moments of "Frozen 2 ... "She put on a brave face and said, 'The adults loved it, but the kids were very confused ...

Olivia Oltmanns is a lot like the character of Elsa from "Frozen" that she plays in Disney on Ice.

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

What new challengers will they face? What's going on in Arendelle ... And she does it just in time. Elsa was frozen in Ahtohallan seeking the voice, which turned out to be a memory of her mother.