I have never put much thought into who my favorite beauty guru is until I saw this question. I have never been one to get much information out of magazines or books, or follow one particular makeup artist. This is the generation of the internet and youtube, so most of my knowledge of makeup (that I didn't learn from my sissy or my drag queen friends) has been learned from youtube.
My first and favorite internet beauty guru is Jen from From Head To Toe. I discovered her youtube channel long before I discovered her blog while looking for various makeup looks to wear to work and college. Out of all of the videos I had watched, her personality seemed to click with me the most. She was my favorite in no time. Her tutorial videos are very easy to follow, even for someone with little experience with makeup. It's nice to hear someone else who has troubled skin give tips on how they keeps it under control. She can also be goofy and have no shame about it!
If you haven't already, go check out both Jen's blog and youtube channel.