Cook the fettuccine according to package instructions.
Melt the butter in a large skillet over medium heat.
Add the minced garlic to the skillet and sauté for about 1 minute.
Add the shrimp to the skillet and cook until pink and opaque, about 3-4 minutes.
Pour in the heavy cream and stir to combine.
Gradually whisk in the Parmesan cheese until melted and smooth.
Season with salt and pepper to taste, then add the cooked fettuccine to the sauce.
Serve the pasta hot, garnished with fresh parsley.