Preheat oven to 425F.
Place shrimp on a baking sheet and bake for 12 minutes, turning shrimp after 5 minutes.
Combine cream cheese, Parmesan cheese, onion, garlic, mayonnaise, and hot sauce in a large bowl and mix until combined.
Fold in green onions and crab being careful not to over mix.
Remove shrimp from the oven and reduce heat to 375F.
Spoon crab dip into a 3 qt baking dish and smooth top.
Bake for 20 - 23 minutes or until top is golden brown.
Remove from oven and top with popcorn shrimp.
Return to the oven and bake an additional 5 minutes.
Top with chopped parsley.
Served with toasted baguette slices, crackers, and/or chips.