Dylan O'Brien and Peter Travers attempting to sing 'Cheek to Cheek' is the best thing you'll hear today

O'Brien appears on "Popcorn With Peter Travers" to talk about his role in the film "American Assassin."
2:50 | 09/14/17

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Transcript for Dylan O'Brien and Peter Travers attempting to sing 'Cheek to Cheek' is the best thing you'll hear today
This shows the first time here on it. Yep having you here think you're ravaged parts of many pleasure. And song police that it is slowly no matter who's here. They sting a little bit of something that's an eighties you hear me not right I. That's everybody does everybody that's. If I let you did it this is the only we're going asking. It. What's on self that you don't watch it on a regular basis it's without revealing you could see. I got an LC it yeah idea and you would see that everybody does it that's why certain people say it like on the board that you signed later Elizabeth Morse on this. You really it's too valuable to sell it on eBay the whole board. We're in a dear Peter your. Nightmare was abysmal. Well I usually put on this what I ask that a small rockets. It's like what what they do. That is now you're a musician. What are we seven O'Bryant what do you drummer. Yeah when you you can drown while singing I'll pick up whatever you're doing. Whenever I get accused us on Q what does it's me asking you to do sing a song and in no way mind you. Now. Then. Known. Well I've just admit it was good yeah on the out when your trees don't know what I'll finish GQ GQ he won a dinner and then. And in heavens and my heart beats. Arteries BA. And got action don't know team to find a happy that's politics is that we get thank you for land west are finish it. When weird and seen. Mike. All of that I starters on Friday and now now this is the first when it went inland. And that it would be. Fred Astaire Ginger Rogers on the you would let punish me I'm really bad leaders always always had been unlike you know what I don't know if you run something on this team. He could do it jacket finger Joseph little. This is always I'd welcome back. No one's done that before finger German yet you can throw pop and a nephew one I loved only can you name me 11 little piece. I would take a bush wants yes. I've done I did it does well I don't want this guy ever back here. He's an apple court that you're gonna think that everybody in new team. He blew ash.

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

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