The model, social media sensation, and reality-TV guru is turning 21 

 From brow-grazing bangs, the statement red lip, fluttery long lashes, and that skin - Kendall Jenner slays in the beauty department. So what better way to celebrate the model's 21st birthday, then to look back at her best beauty moments. Click through the gallery to see the model's most iconic hair and make-up looks: 

Happy birthday Kendall: her 21 best beauty moments