5,000 person workout in London 🤯 Huge thanks to @lesmillsuk for the #invite to this epic workout session, as part of its Fitness Festival at @excellondon Such a fab day 🏋🏻‍♀️ #massworkout #groupworkout #lesmills #fitnessclass #fitnessclub #londonworkout #londongym #lesmillstribe