Unroll crescent dough; separate into triangles. Place triangles on round pizza pan in a circle, points to the middle. Roll (or push) triangle seams together and out to form a 12” circle. Bake 12 - 15 minutes or until golden brown. Remove from oven. Cool completely.
Combine cream cheese, 1 cup of the spinach, green onion, dill weed, pepper, ½ tsp. of the lemon zest, and lemon juice; mix well. Spread mixture over crust.
Top pizza with remaining spinach, crabmeat, olives, and remaining ½ tsp. lemon zest. Serve!