Heat oven to 425°F. In medium bowl, place grape tomatoes and vinaigrette; stir to coat. Set aside.
Cook spinach as directed on box. Squeeze to drain well.
On ungreased cookie sheet, place pizza crust. Spread spinach evenly over crust; sprinkle with pepper. With slotted spoon, remove tomatoes from vinaigrette; arrange tomatoes over spinach. Top evenly with mozzarella cheese.
Bake 8 to 10 minutes or until cheese is melted and bubbly. Sprinkle with basil.