With all of the makeup brushes and tools on the market today, beauty truly is in the hands of the beholder. From contour brushes that chisel your cheekbones to tweezers that beautify your brows, makeup tools can help transform your face into its very best version. Check out 16 of the hottest, must-have makeup brushes and tools that every beauty lover needs, and learn how to work them into your routine to get the most flawless look possible.