Spoiler Alert! A brand-new promo for season five of Lost (that still, sadly, features the ear abortion forced on us by The Fray in a Dharma-like experiment) reveals the answer to one of this season's most-speculated upon mysteries: will Matthew Fox still be shaving his chest? We've covered the evidence up with Lost's smoke monster for now, but after the jump comes the shocking reveal:

Looks like Jack's still smooth, despite Locke's protestations that he has to go back to the island with his original, collar-cresting forestation. Then again, there's always season six... [Youtube]