[laborator_heading title=”About Us” show_dash=”yes”]

Be empowered, strong and confident
Be the woman you were born to be
Be That Girl


That Girl London combines its distinctive training method, nutrition and wisdom to empower all women to achieve a healthy balanced lifestyle, whilst inspiring the confidence to be the very best, happiest version of them.

“Because you can“


Our unique philosophy has evolved over three decades of experience, working with and understanding the unique physiology of women.

Built on the core foundations of HITT, resistance and bodyweight training, developed with the female form in mind, we have helped hundreds of women lose weight, gain strength and add definition to their bodies.

We bring to you our intense passion, dedication and commitment
to helping you be the best you can be.

That Girl is the girl with the high flying career, she is the stay at home mum with cornflakes in her hair, she is the one at University juggling a multitude of essays with part time jobs and it is the girl who is still yet to find her calling in life.. That girl is you, me and every woman on this planet.

That Girl has been developed by the fashion world’s favourite Personal Trainer, Christina Howells and coolest activewear designer on the block, Charli Cohen.

We at ‘That Girl’ believe that we can all have it all if we want it all and we shouldn’t have to compromise on anything, including our health. This is why we have created a tailored series of highly effective workouts and targeted nutrition plans designed by women for women, to help you achieve your best body inside and out.

These workouts have been specifically designed for you, the modern girl, to work in the spare pockets of time in your already hectic schedules to get amazing results.

It is well documented that health is a state of complete physical, mental and social well being and our programmes have been created with that in mind.

With exercise comes mood enhancing endorphins and with endorphins comes drive. The more active you are the more you want to do whether that’s on the social scene or the work scene. It’s a win win all round!

It’s not just about having the power bod (which, let’s face it –  we all want!) it’s also about feeling great as well as looking great.

We have also teamed up with a select group of globally renowned experts in the wellbeing industry including; a Life Coach, an activity tracker brand, an organic supplement company and a bespoke diet plan delivery service. This enables us to meet more of your needs than ever. We’ve sourced the very best for you and it’s all ready and waiting!

[laborator_heading title=”Meet the Founders” show_dash=”yes”]
Christina Howells

Christina Howells
That Girl Workout Designer + Director


  • Exercise Science BSC (hons)
  • Exercise + Sport Psychology MSC
  • Diploma in Nutritional Medicine from Westminster University
  • Yoga Alliance Qualified Teacher
  • Animal Flow Qualified Instructor
  • Garuda Qualified Instructor
  • YMCA Qualified Instructor
  • She’s trained: Katie Grand, Ralph Fiennes, Jane Bruton
Charli Cohen

Charli Cohen
That Girl Style + Digital


  • Founder + Creative Director at Charli Cohen
  • Fashion BA (Hons)
  • Certified Personal Trainer
  • She’s dressed: Alessandra Ambrosio, Kate Upton, Hannah Bronfman