Quick and Easy Celebrity Workout Moves for Summer

Michele Promaulayko, editor in chief of Yahoo Health, shares some fat burning tips.
2:32 | 06/01/15

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Transcript for Quick and Easy Celebrity Workout Moves for Summer
Right now, time to Yahoo! Your day and just in time for the summer quick and easy workouts to keep the coolest celebs fit. ABC's Sara Haines is one of them. She tried it out. ? Yahoo ? Reporter: Rihanna, Katy Perry, Megan fox, they're the red hot red carpet bods we all dream of having. But just how do they stay so fit and fabulous? First we turn to Michele promaulayko editor in chief of "Yahoo! Health" to burn more fat. Two snacks that work for you. A combination of protein and fiber. Protein actually boost your metabolism and fiber keeps you fuller longer. You don't really need to fuel your workout nor do you need to eat right after because if you do that you're just going to offset the calories you worked so hard to burn. Reporter: With that in mind we hit crunch gym in New York City turning to celebrity trainer Harley Pasternak to get his quick a-list workout moves to help you fit it in. First the skull theed arm. Modified press-up. Lay on the ground, you're going to put your hands shoulder widodo apart with your palm down so from this position you're going to press up as high as you can and then you'll come down two-thirds of the way and press up. Reporter: Next Megan fox's killer abs. The next move is a plank and imagine there's a string that goes through your tailbone being pulled straight up to the ceiling. Make sure your heels don't move back. Crunching up, four more. Reporter: What about lady gaga's to die for derriere. Single leg hip thrust. When you think you can't push them higher. Push them higher. Last 10% will make the difference in whoa. I can feel it. Reporter: Jessica Simpson's flawlessly toned legs. Bulgarian lunge. Specifically your left arch and heel, down and up. Pick up the pace a little. Down, up. Down, up. So all the pressure is right here. Oh, yeah. Five. N nonstoping, four, no stopping, three, two, switch sides. Reporter: Ow. Workout secrets to the stars to help you get one closer to your dream bod. Burns, right? Reporter: For "Good morning America," Sara Haines, ABC news, New York. Sara is looking good. Easy moves, not easy to do. Easy to understand.

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

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