Spread one can of crescent rolls on bottom of 9x13 pan. Blend cream cheese, 1 3/4 cup sugar, 1 Tbsp. melted butter, and vanilla. Spread cream cheese mixture over rolls. Spread other can of rolls on top of cream cheese mixture. Sprinkle mixture of 1/2 cup sugar and cinnamon over rolls. Pour melted butter over all. Bake at 350 degrees for 30 minutes.