Forget to plan a costume this year? Click through for six great last-minute ideas that'll make it look like you didn't.
Harold and His Purple Crayon
In Your Closet Already: Blue sweatpants and a long-sleeved shirt (and don't worry too much about what shade of blue it is, Harold's outfit has ranged from sky to turquoise over time).
Borrow or Buy: The purple crayon, of course!
If You Have Time: Matching blue sneakers are a nice touch.