Weekend 1 of Coachella 2013 is officially here! If you aren't totally turnt about it, we'd like to remind you why you should be with a look back at last year's festival highlights. From The Black Lips' Cole Alexander giving full frontal on stage to Katy Perry crowd surfing at the Calvin Harris set with a surprise Rihanna performance, and the Tupac hologram, Coachella 2012 was filled with the magical moments that make us want to come back for more each year. So throw on your manks and flower crowns as we get nostalgic in this special Flashback Friday with the top highlights and surprises from last year's festival to get you pumped for Coachella 2013.