Reporter: Whether she's rocking the super bowl stage or sharing her innermost thoughts. People see celebrities they have money and fame. But I cry. I get scared. I get nervous. Just like everyone... See More
Reporter: Whether she's rocking the super bowl stage or sharing her innermost thoughts. People see celebrities they have money and fame. But I cry. I get scared. I get nervous. Just like everyone else. Reporter: Beyonce, seems to reign supreme. ♪ What I need ♪ Reporter: In this exclusive behind the scenes photo shoot, the april cover girl with secrets to whipping her body back into shape just three mons after giving birth to blue ivy. I gained 57 pounds when I was pregnant. I skaed show three months after I gave birth. Which I would never do again. I'm not a person that is naturally very thin. I am a person that has to work at keeping my body in shape. Reporter: So how did she do it? 80% of my weight loss was from cutting back on food. She said. I ate a very low-calorie diet. Stayed way from med meat, ate a loft on fish and replaced pasta and rice with quinoa. She's a role model for all of us women. Reporter: She says her ideal weight whinz she was working on her crazy in love video. ♪ You got me looking to crazy right now got me looking so crazy in love ♪ Reporter: And when she wants to be in amazing shape, that's the body size she aims for. For me, dancing keeps me active. I would say everyone is not supposed to be the same. Be healthy, take care of yourself. But be happy with the beautiful things that make you you. ♪ we all toend have a size in our heads. But for beyonce, it was about getting back to be healthy, confident, and feeling great on stage. ♪ If you like it then you should have put a ring on it ♪ Reporter: She says she doesn't count calories. I always have breakfast, say scrambled egg whites, a vegetable smoothie. For lunch and dinner, I leet a lot of fish. I try to stay hydrated. I always treat myself to one meal on sundays when I can have whatever I want. Usually, it's pizza, which is my favorite indulgence. With the mrs. Carterw world tour kicking off next month. ♪ beyonce will focus and then, she says, start trying for more kids. For now, show, it's all about her litted blue. I'll tell her to embrace who she really is, she says of her daughter. It took me until I was 25 to fully appreciate my unique qualities. The things about my personality and my body that make me special. It's the stuff your self-kshts about as a kid, and then you grow up, you look back and think, I had no idea I was so fly. It really is true. Get ready, her new album comes out later this year. She says it's empowering and a lot more sensual than her last album. It could be more? Ryan seacrest and former "dancing with the stars" pro
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