Make the cake according to the instructions on the box.
Add the vanilla beans.
Spray cooking spray on the pans and fill 3/4 the way with the batter.
Bake fore 20 minutes.
Take out of the oven and let cool completely in pan.
Meanwhile make the icing.
Put butter, vanilla, and cream into a stand mixer and blend. Slowly add the icing sugar. If you icing is too stiff, add more cream.
Cut rose stems to about 2 inches. Wrap with masking tape. Clip the baby's breathe into small pieces.
Put strawberry jam between the layers of cake. Ice the cake.
After the cake is iced, refrigerate for 10 minutes. Take out of the fridge and decorate with roses. Place baby's breathe in gaps between the roses.
Spray with gold dust.