Bradley Cooper Details Becoming a Chef for New Film 'Burnt'

The Hollywood star reveals what it took to become ready for his new role heading up a restaurant kitchen.
4:09 | 10/20/15

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Transcript for Bradley Cooper Details Becoming a Chef for New Film 'Burnt'
We'll find out what Bradley cooper thinks. I just leaned over and asked what is your favorite romance movie. "Dr. Zhivago" popped into my head. A sad, sad drama. I love Julie Christie when I was little. Good reason. You're in the new movie "Burnt" and play a chef who is burnt out. Burned up his career and trying for a comeback. Let's take a look. 20-hour day, 6 days a week. I was 19 years old. I loved every minute of it, the heat, the pressure, the violence. Screaming, you know, all the cook cooks. The kitchen is the only place I've ever felt like I really belonged. And Bradley cooper joins us right now. You know your character is so intense right there. You talk about the kitchen, only place you've ever belonged but it's like a battlefield in this movie. Yeah, absolutely. We were just talking before about how we both worked in straunss but this level, this Michelin star three -- Michelin star level is -- I mean it's like playing in the world series or something. You come to this honestly. Bus boy in a Greek restaurant. And prep cook in a restaurant where I cut my teeth -- I worked with a guy 1 years old back from Paris and I was at the low of the pole of the hierarchy so I felt the brunt of a chef's tirades -- Did you think this would be your future? Nah? No, but I always loved cooking and being around food. You get to work with sienna miller again. Yes, thank god. She was just here yesterday. Kind of like your work wife for the last year. I've been lucky in the sense I've been able to act with people -- specifically actresses again and again and we were doing "American sniper" and I knew I would do this movie and just thought she would be incredible and she was. She learned a lot about cooking. She is a great cook. A lot of the people -- ricardo is probably the best one. The Italian guy in the movie, he's amazing. You're doing this movie all about food and you're actually have to lose weight. Yeah, that's right. Yeah, because we had just finished "American sniper" and was doing "The elephant man" and had to lose 30 pounds. If you watch the movie, we shot it out of sequence as most movies are, some scenes my face is like this and then it's like had. It all works. Actually I was happy about that, you're right. You talk about working with actresses again and again and you'll work with Jennifer Lawrence again and David O. Russell. How many types -- Four times with Jennifer. Yeah. And the movie "Joy" is coming out. You guys have created some headlines. All this talk about equal pay in Hollywood. How will this work trying to negotiate with your co-stars. I don't know if it's any big plan. I thought the idea of transparency is something that obviously would be beneficial. You know, it's something you never talk about. You never hear about what somebody else is making when you do a movie. It's kind of hard to talk about. I mean but maybe it shouldn't be, you know. But, you know, in terms of -- in today it's so hard to get movies made and you definitely are hearing -- having conversations about your agent take a cut or put money over here. What's everybody making. Let's make sure, you know, it's as equal as we can make it. Strike it for equal pay. You do have fans out there. I know you're an eagles fan. I am. We had a little message from the eagles cheerleaders. Really? Hey, Bradley. It's your very own Philadelphia eagle cheerleaders and swoop sending you love. All: B-r-a-d-l-e-y. Bradley. Wow. I wish my dad could see that. That's amazing. Thanks a lot for coming on. The movie is together. Burnt burnt opens next Friday. His reaction was priceless. Totally worth it. How are you, Bradley. Good to see you. That was Bradley cooper just saying hello to me. Now to something we all have to deal with.

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

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