Get a free 144-piece eyeshadow palette from e.l.f. with a minimum $20.13 purchase with coupon code ULTIMATE through 1/20. The regular price on it is $30, so it's a nice deal! You'll wind up with $50 worth of make up for only $20! Plus, since so many of their products start at just $1, you'll get a LOT of product for that $20!
Here are some ideas to help get you to $20.13!