(OnlyFans) Published: 2023-08-09 18:54:01. Brittney aka Therealbrittfit is a popular Fitness Model, TikTok Star, and Social Media Celebrity who is famous for posting her stunning photos and Fitness videos on Instagram and also posting dance and fitness videos on TikTok. She has millions of followers on her social media accounts, like TikTok, Instagram, Twitter, etc.