TatGPT is a GPT that serves as a virtual tattoo designing platform, helping users visualize different body art designs. It leverages the functionalities of ChatGPT framework to assist users in generating virtual tattoos, based on their preferences and ideas. Not only can users fabricate original concepts, but they can also draw inspiration from existing trendy designs. Moreover, TatGPT is not limited to just design generation, it also allows users to upload a picture of a tattoo, and provides a description for it. This enables users to understand different styles and trends better. Built around an intelligently designed user-interaction model, it provides prompt starters to help users begin their design journey, which includes helping to decide the style of the tattoo, showcasing popular designs, and more. By blending the realms of art and technology, TatGPT essentially breaks down the process of tattoo design into an interactive activity, thus simplifying what is typically seen as a complex process requiring specialized skills and artistic temperament. TatGPT is accessible upon signing up with ChatGPT Plus.