Discover reviews, ratings, and trailers for Dr. Seuss' Horton Hears a Who! (2008) on Rotten Tomatoes. Stay updated with critic and audience scores today!

That obviously leaves a lot of room for creativity and it can be difficult to know where to begin. Here, then, are our top costume ideas, ranging from the tried-and-tested, to the utterly surreal.

Built upon a powerful but gimmicky end, The Boy in the Striped Pajamas would make a fine short. As a full-length feature, though, the pajamas wear thin quickly.