I have recently started researching various styles and approaches to watercolour that could help with figuring out the animation of Adore Woman. Below are some initial thoughts and influences that I've found around the web.
Few examples of watercolour-like animations:
Below are examples of different effects that could be achieved with After Effects. Some paint dripping and watercolour bleed, although still not something that seems very useful to me.
Perhaps a different direction could be a better idea? The image revealed from the watercolour drips and splats, instead of aquiring them during the animation. Still, early days and only an initial research.