Grill eggplant and zucchini. Set aside.
Heat-up oil in a pan and cook mushrooms for 2-3 minutes. Turn off heat and set aside.
Divide and spread pizza sauce on top of the two-pizza crust.
Divide and arrange on top of the two-pizza crust all the vegetables then top with grated cheeses.
Bake in a preheated oven until cheeses melted. Remove pizza from the oven and serve.