R2D2, an astromech droid, is a immensely popular character in Star Wars. Therefore, a R2D2 lover (or even a science fiction lover or robot enthusiast) would surely love a R2D2 cake for any occasion, whether it is a birthday party or wedding ceremony. R2D2 cake is one of the most popular sci-fi themed cakes and every time it brings back the Star Wars bequest. Compared to other cake themes, R2D2 cakes have little variations. Basically, it stands for what it actually represents. Have a look at the following images to get a proper idea about R2D2 cakes. To make it more appealing, you can always add C3PO figurine.