Indeed, Toby Young, the former roommate, was flying in the face of tradition by wearing very loud plaid with his tails.

"He used to wear plaid," Simpson teases, "but not good plaid."

It's a Catholic school, so they all wear identical clothes, green plaid for the girls and navy blue for the boys.

Wearing blue plaid skirts and black shirts, these "good girls gone bad" reminiscent of the private school bully.

After a show where Barrett wore plaid, fans started to show up wearing it as well.

They were wearing identical caps, blue, and yellow plaid with a fuzzy yellow tassel.

Girls wear white or red shirts and plaid or navy skirts, jumpers, or pants.

"Who knew that the Gauls wore plaid?"

The girls wear white blouses and green plaid skirts or blue trousers.

"People even wear plaid with stripes these days."