Jonah Hill and Leonardo DiCaprio Reenact 'Titanic' on 'SNL'

Lara Spencer reports the top stories in the pop news heat index.
3:00 | 01/27/14

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Transcript for Jonah Hill and Leonardo DiCaprio Reenact 'Titanic' on 'SNL'
Jonah hill must feel like the king of the world now. Nominated for an Oscar. This weekend, hosting "Saturday night live." He got a big assist from his "Wolf" sko star. Check this out. ♪ Am I flying, jack? Yes, rose, yes, you're flying. So, this happened because he was telling Leo that he was feeling nervous and if he would just do that thing, he would feel better. It was a terrific moment. Great show. Jonah's third time hosting. Dicaprio also nominated for the film. Also this morning, when it comes to a good night's sleep, thinking is believing. So, just get into this. Researchers at Colorado college have discover that just being told that you slept deeply, whether it's true or not, peps you up, increases attention, and boosts performance. It's called placebo clesleep. Your brain convinces your body that it is resting. Josh is scoffing. I kind of believe it. I need a chorus of it. That's fine. Then I'll buy it. I love it. I thought it would help. I hope, I hope, I hope. And finally, if you don't want to wait until Sunday to know who the winner of the super bowl is, we can tell you right now, our favorite talking porcupine, teddy bear, has made his prediction yet again. Are you ready? Okay, teddy. Teddy, pick. Who's going to win super bowl xviii? There you have it, George. Teddy has spoken. He's picked the last two winners. Usually, at this point, we have a prediction from Mr. Nuts, the cat. Picking the ravens last year. Picking the giants the year before. Mr. Nuts. We're waiting to hear from him. Don't call me Mrs. Nuts. A bold pick. It will be a good game. Really, the two best teams. And we're on super bowl vow boulevard. Let's get to the news on tori spelling.

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

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