College gymnast turned millionaire Olivia “Livvy” Dunne summersaulted into the limelight after sharing her impressive floor skills on TikTok. The back flipping social media sensation has now amassed more than 5.9 million followers on the popular social media app, and leading brands and companies are clamouring to offer her lucrative endorsement details. In 2021 Dunne signed with tennis superstars Serena Williams and Novak Djokovic’s agency WME Sp...