Needing help on an art theme?:)?

Im needing a sort of theme for my art thing that im doing right now, we have to create a peice of headwear and we need a theme on how to make it, for example some people are doing it on forestry or the seaside and theyre making a hat with like leaves and shells and all that on it, we can do it on absolutely anything but im needing something that you can do loads on...im wanting something pretty and beatiful to do it on, something that people will go awww thats cute:) and something that will have loads of ideas....any suggestions?:)x