I don't think there's anything. Your best bet is finding a body kit you like. If you had a MR-S front end swap of the Celica is kind of cool.
The third-generation MR2 was marketed as the Toyota MR-S in Japan, Toyota MR2 Spyder in the US, and the Toyota MR2 Roadster in Europe, except for France and Belgium, where it was marketed as the Toyota MR Roadster.