Ease of application is the reason this brand’s liquid liners have established residency on the cat-eyed lids of one Mrs. Lauren Conrad Tell. The precision-tip foam applicator helps create the perfect look every time. Greenberg loves metallic-bronze liquid liner for a beautiful statement. When working with a metallic, she explains, it's important not to compete. "Don't overdo [it] — just a little glow on the cheeks and a flush of color on the lips. Let the liner take all the glory!"