What good is a stylish girlfriend if she lets you walk out of the house in jogging pants?

The usually stylish Jude Law and his even more fashionable significant other, Sienna Miller, were spotted at the Heathrow airport yesterday wearing this outfit. The top half of the look is undoubtedly rather chic; the bottom half, on the other hand, tells a more frightening side of "fashion." To see a scarier view of the pants from behind, check out the photo after the jump.

(Make sure to check out more of our Embarrassing Outfits.)