Place the chicken breasts, Olive Garden dressing, cream cheese, parmesan cheese, paprika, and pepper in the pot of the slow cooker. Cook on low for 4 hours.
Transfer the chicken breasts to a cutting board or plate and shred them.
Using a whisk, mix the sauce left in the crock pot until smooth. Return the shredded chicken to the pot.
Cook the pasta in a large pot of salted boiling water according to package instructions until al dente. Reserve one cup of the cooking water, and drain.
Stir the pasta and cooking water into the crockpot.
Make the topping: in a small saucepan or skillet, melt the butter. Add the breadcrumbs and cook them until lightly toasted. Mix in the chopped parsley
Serve the pasta with the toasted breadcrumbs on top, a slice of garlic bread and a side salad.