Preheat oven 350.

Line muffin tins with paper liners.

Combine cake mix, egg whites vegetable oil, gelatin mix and orange soda.

Beat until blended.

Fill liners 2/3 full and bake 18 minutes or until toothpick inserted in middle comes out clean.

Allow to cool completely.

Whip butter and gelatin powder until fluffy.

Gradually add powdered sugar.

Add orange soda until you reach desired consistency.

Transfer to piping bag and frost each cupcake.