Eyeliner is one of the most useful tools in any woman's beauty arsenal, and you shouldn't be afraid to use it. You can convey almost endless moods and looks with the moderation of just two little lines. There's nothing more simple, or more effective, in going from day to night, and it looks good on everyone. So I've put together 10 of the prettiest looks from the ramps with short explanations — they each achieve a different effect, but they all look hot. Click through and see which ones strike your fancy.