Skinny Orange Dreamsicle Cake

Orange, fresh zest

Powdered sugar

{8 oz.} tub Topping, light whipped

box White cake mix

Orange juice, fresh squeezed

{8 oz.} pkg. 1/3 reduced fat cream cheese, reduced fat

{12 oz.} can 10-calorie sunkist

{Optional} Fresh orange slices for garnish