Preheat oven to 400°
Bring a large pot of salted water to a boil and cook pasta according to package directions
While pasta is cooking, toss shrimp with oil and season with salt and pepper. Place on a lined baking sheet and bake for about 6-8 minutes or until shrimp is pink and starting to curl. Remove from oven and keep warm.
For the sauce, over medium-low heat add entire contents of alfredo sauce to a large pan. Add in cream cheese and stir until melted and combined
Add in pesto and minced garlic and stir to combine
Add heavy cream, parmesan cheese and sundried tomatoes. Stir and cook until cheese has melted
Drain pasta, reserving some of the pasta water, and add pasta to the sauce
If sauce is too thick, add in some pasta water (1 tsp at a time) until it reaches desire consistency
Add shrimp and toss to combine
Serve with extra parmesan or crushed red pepper for some extra heat