We celabrated Maddy's 2nd Birthday earlier this August. The theme was rainbow. By looking at the decorations it isn't that hard to guess.
Here are pictures of the cake before, during, and after the party. It was hot out and the cake really melted. We put it downstairs but it still melted so fast that you could watch the frosting slowly running down the sides. The lit candles made it melt even more. At least we had before pictures to show the guests!