When it comes to valentines theme cakes, there is no shortage of decorations styles. The color red and ‘heart’ shape is quite common among all Valentines theme cakes. In most cases, people tend to use red or pink shades. Still, you can try new colors to make it more interesting. As long you hold the Valentine theme, any color would look great on any cake design. Heart shape cupcakes or rose theme cupcakes are also popular valentine cake theme. Take a look at the images below as it would give you a great idea about a valentine theme cake.