These frilly little pom-poms could be used as festive toppers for a cake or for cupcakes... or for something else on the birthday table, like centerpieces or placecards. They are super cute, and easy to make. Get the whole tutorial at 6 Bittersweets.
Read more & get the tutorial: DIY Pom-Pom Cupcake Topper Tutorial at 6 Bittersweets
Also, see a few more easier ideas for cake decorating here.
(Images: Xiaolu of 6 Bittersweets)