Woman's Quest to Remake Herself Like Her Favorite Celebs

Rachel Bertsche reveals the answer in her new book, "Jennifer, Gwyneth, and Me."
2:16 | 07/01/14

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Transcript for Woman's Quest to Remake Herself Like Her Favorite Celebs
one woman's quest to find out if living like an a-lister could possibly hold the secret to happiness. She spent eight months taking on the biggest traits of Hollywood. And Sara Haines has her story. Reporter: From Jennifer's jaw-dropping body. To Gwyneth's gourmet meals, Hollywood's biggest superstars may be nothing short of superwomen. Seemingly having and doing it all. What made you decide to write this book? Maybe I can be more like them, I could have it all together, too. Will I be happier? Reporter: In her new book, Rachel spent eight months researching and practicing what the stars preach. Only problem, her wallet wasn't exactly the same size as some of these superstars. Celebrity trainers, celebrity ch chefs. They have made brands to go on youtube and find free workout videos. You can buy cookbooks from Gwyneth paltrow. Reporter: After the eight months of working out with Jennifer aniston's trainer in her own living room -- This is a good workout. Reporter: Dressing like sjp, tutu and all. And cooking like Gwyneth. She says she started to notice a change. Just putting on a cute outfit or going for a run, feeling fabulous, will make you kind of give you that extra spring in your step. Reporter: Now, with 11-year-old Maggie on her hip, she's not making as many juices. But admits there's perks to drinking the celebrity lifestyle cool aid. There is a benefit to aspiring to something better like a celebrity? Absolutely. And if they a inspire you to be the best version of yourself you can be, that's a good thing. There's no shame if that's beyonce. Reporter: For "Good morning America," Sara Haines, ABC news, Chicago. You could add ice cream to it. Can I add a scoop of ice cream to that? Does it count as a Gwyneth moment? Sara Haines, thank you so much.

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

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