We've always wondered why, exactly, there's a prohibition on wearing white after Labor Day. Keira Knightley seems to have stumbled on the answer (though, to be fair, this probably would have happened before Labor Day, too). (Thanks SteelWolf!)
Keira Knightley (skins.be)
Keira Knightley (skins.be)
Keira Knightley (skins.be)