How to Totally Trick Out Your False Lashes For Halloween

Warning: don't go for the longest lashes in the aisle if you're planning a Twiggy costume. "The lashes are always going to look bigger on the eye than what they look like in the package," Stewart said. "I think it's mostly because we're not used to seeing so much drama on the bottom of our eye."

While your first instinct is to probably look up while you apply lower lashes, you won't be able to see a thing (duh). Looking at your nose is out of the question, too. "You'll notice that if you look down at all, your lower lashes get in the way . . . You want to have your head straight-on with the mirror."