The cats like to hang out in the bathroom, slurping from the faucet, playing in the bathtub, sitting on their shelf next to the sink, etc. The other day, I walked into the bathroom and discovered this:
(Despite this discovery, I am still confident that it wasn't Scarlett who so thoroughly mauled the bathroom blinds.) Scarlett loves to explore, especially anything that gets her close to the great outdoors. The bathroom window is pretty drafty, so I suspect the stream of outside air is what drew her up there.