If you've been around in the past few days you might have noticed a meme going on, which was started, I believe, by =yumedust
In a nutshell, you choose a Disney Princess coloring page and then color it in the style/palette of a classic painting.
I found my Ariel lineart here -> [link]
And the painting I referenced was Isabella and the pot of basil
by John White Alexander -> [link]
Painted in SAI, adjusted with Photoshop.