Chris and Heidi Powell say it's not all about crushing it in the gym.
How to lose weight, according to personal trainers
![Image: Chris and Heidi Powell Image: Chris and Heidi Powell](https://static.euronews.com/articles/3040976/1200x675_3040976.jpg)
Chris and Heidi Powell, celebrity trainers and creators of the fitness app Transform.
- Copyright Allison Tyler Jones
Copyright Allison Tyler Jones
By Margaret O'Malley with NBC News
Published on
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