because it shows you where to by stuff and if it's blush than it helps you cover your zits!
Well that's just the start of it. People including me are into fashion, beauty, and new styles of clothes, makeup, and hair. I also watch these shows because i enjoy them :). If its not your thing that's why your not watching them. Alot of people watch them also to improve there lifestyle. By making there choices of what they wear different or choose different styles of makeup and hair.
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