Kristen Bell and Idina Menzel can finally ‘let it go’ about 'Frozen 2'

The stars who play Anna and Elsa went to great lengths to keep the story of the anticipated sequel a secret.
7:31 | 11/12/19

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Transcript for Kristen Bell and Idina Menzel can finally ‘let it go’ about 'Frozen 2'
to watch that. You know what, it's getting cold in here. Because we are about to bring out some special guests. The hero wins of "Frozen 2." Please welcome the stars we can't let go, Kristen bell is back and idina Menzel. Let the storm rage on the cold never bothered me anyway Welcome back. It's been a while. Haven't seen you. I know, I know, I know. Hi. I know. Mwah. How are you? Yes. We got the memo. You guys did. We did. I didn't get it. But it's okay. We want to start with the movie and your kids, Kristen, you have a 6-year-old and 4-year-old. Yeah. They've seen the film. Yeah. What did they they I of it. They loved it. They loved it and I remember a specific moment towards the end where something happens and my 4-year-old, she had her knees up and she had her hands towards the screen like she was in the southern Baptist church. She was giving it and then something happens and she just went, oh, my god. And I was like, nailed it. So they've known the plot for awhile now. Have they been running around giving away any of it. I hope not. She told them. They loved "Frozen" but don't like the fact that I'm in "Frozen." I think it's in your DNA to reject your parent, right? And so when I read the script I came home and I was like, so, here's what happens and they digested it and were like, yeah, that sounds cool. Hard for them to picture and it occurred to me I was in breach of my contract and I'm like, t-minus two weeks before Disney doesn't have a legal issue with me because they've kept it zipped. Whoo. Good kids. To have done that. "Let it go." It's an earworm for us all and sing it over and over. I'm sorry. Do people ask you all the time just to bell it out? Yeah, they do but it's -- honestly I love it so much. It's been a great gift in my life. I get to sing it all over the wore. I get to see little kids like this and sing with them and be reminded of how important it is to sing a song about the self-empowerment and how, you know, cool we are as young women. That's right. That's right and the sisterhood. Now, I hear your husband said that you all use Anna and Elsa as -- Pardoning sflool yeah. With your girl. Yeah. Well, it's -- look, it's the you pore of story. It's why we're able to go to the movie these ever, watch TV show and have catharsis and work through our own problems and snap out. That's why people talk with puppets in therapy. When my kids when I can see the look in their eye -- I don't use the puppets in therapy. It's easier, it's easier to say your emotions when it's through something else and when I see that look in their eye which is often where they're about to wring each other's necks, I just go, hmm, what would Elsa and Anna do here? Do you think they would pinch and kick each other? They're able for a moment go they rob wouldn't. Sometimes they still do it but it's -- sometimes it works. That's a good try. Good try. This movie, "Frozen 2" picks up three years after the original movie and we'll look at a clip right now and in this clip Anna and Elsa go on a search. How Elsa got her powers. And try to find out a little more about the family history. Let's take a look at a clip. Christoph, can I borrow your wagon and swen. You are not going alone. I have my powers to protect me. You don't. Excuse me. I climbed the north mountain survived a frozen heart and saved you from my ex-boyfriend and did it without powers so I'm coming? Me too. I'll drive. I'll bring the snacks. I did not know this -- this is the first musical sequel ever by Disney. So no pressure on you two at all. We felt in really good hands. We love our recipe and the creative team and we were excited to get back in the room with them. They might have felt like there was a lot on their shoulders but we trust them a lot. Big time. There is a new song. "Into the unknown." Seven new song, amazing songs. This one has the most heartbreaking song. They're calling it the new "Let it go." If you have to make it about me, then that's okay. Plus, it is until you see the movie because there is another there's amazing music in the film. Honestly, we -- She's being humble. Here's what happened. She did it the first time and Disney was like, should we double down on this? And everyone was like, yes, so they gave her two -- everyone does have great songs. They do. But there are two unbelievable. I sang on a good day which mean really high notes which I'll just be so -- it'll be so hard when I have a coal and I have to sing it somewhere. You're amazing. What does your son anything, 10 years old. It's the same thing with Kristen. He loves "Frozen" and all that and saw it at the premiere and loved all the action scenes and everything but he can't stand hearing me sing. He tells me to shut up all the time. I just like vocalize in the shower and hear him go, shut up, mom. You're embarrassing me but he loves the movie. We do too and the way that you all -- we see how adorable you are together. The entire cast, you guys are really close. Yeah, we are. It's very -- it is -- it's sort of a replica of what you see on scene. I feel like idina is my sister. And -- Sorry to cut you off. We feel this camaraderie because we built something we're proud of and it's just nice to be in a room with everyone creating something that you, you know, that's become such a huge deal. We're proud of that. You should be. I have one more question for there was something you were going to let go, what would it be? I think I apologize too much. I say sorry too much. It's just like becoming a habit so I'd like to try to let go of saying sorry all the time. Sorry, sorry I'm late. Just, is that a feel male thing or do -- do you do that? No, I just -- You don't apologize. I do apologize but I don't do it all the time. It's great to apologize when it's necessary but not all the time. What would you let go? I'm going to take hers as well. Yeah, I would say -- I think -- I apologize a ton as well. Even like -- I've had casting directors say you come in and apologize. I'm sorry. Should I do it again? We don't want to know you think you made a mistake. We thought you were good so don't tell us. I'll tell you this, we're going too apologize to you and everybody at home because we have to go now. It's the end of our interview so we're sorry because we love having you two here. Everybody has these Mickey mouse ears on. They're here to party. We're going to continue to party here in our studio and everybody, "Frozen 2," it opens November 22nd and courtesy of our friends at imax, everyone here is going home with two tickets to see the movie in

This transcript has been automatically generated and may not be 100% accurate.

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