Cook fettuccine according to package directions. Meanwhile, in a large saucepan, melt butter over medium heat. Stir in cream. Bring to a gentle boil. Reduce heat; simmer, uncovered, for 3 minutes, stirring constantly.
Add the shrimp, cheese, garlic and pepper; cook and stir until heated through. Drain fettuccine; toss with shrimp mixture. Sprinkle with parsley.