What's a beauty blogger?

I have been wanting to start a beauty blog for a while now. I feel like I spend most of my time outside of working obsessing over make up or one direction. Having a one direction blog for a 20 something year old married woman might be kinda odd to most. So I thought I could share my love for make up with anyone who wants to read it. Even if that means I end up ranting to myself over buy a $85 dollar bottle of foundation that sucks.