These Are the 17 Best Beauty Trends That Ruled in 2015

People seriously stepped up their concealer game in 2015. The under-eye triangle was one of the most talked-about tips, quickly nixing the trend of applying this area with concealer half-moon shapes. Shout-out to Kirbie Johnson for demonstrating this technique and schooling us on other ways to ensure our concealer leaves us looking fresh and youthful instead of flat and tired.