You're going from day-to-night

Your every day eye shadow needs to be more dramatic: Go black - as in eyeliner. Whether you use a gel, liquid, pencil, or powder, lining your eyes close to the lashes with a black liner will instantly up your glamour quotient. I like to use a brown liner on my lower lids, though; it's less severe and really helps to open up your eyes.
Your blush is too basic: Now's the time to shine. Top your blush with a dab of a shimmer cream, powder, or lotion in the same color family.
Your lipstick is too subtle: You can either line and fill in lips with a lip liner that's slightly darker, or layer on a deeper version of gloss.