Bring a large pot of lightly salted water to a boil. Add pasta and cook for 8 to 10 minutes or until al dente; drain.
While the pasta is cooking, heat the olive oil in a large frypan over medium heat. Add the garlic; cook and stir until fragrant, about 1 minute. Add the prawns and cook until opaque, about 3 to 5 minutes. Pour in the tomatoes and heat through. Season with basil, salt and pepper.
Toss the cooked pasta in the sauce and sprinkle with crumbled feta to serve.