Earlier today Mark Zuckerberg exploded the Internet by announcing that Facebook is purchasing Instagram for one billion dollars in cash and stock. That's a lot of coin for the sepia-toned photo-sharing social network. It's also the perfect excuse for us to post about one of our favorite up-and-coming models, Ashley Sky. This 21-year old babe from Miami has been using Instagram for the last seven months as a portfolio for her modeling career, amassing an impressive 32, 971 followers. If you're an Instagramer, go follower her at ashleysky. So you know what you're missing out on, here's a gallery of her 25 hottest Instagram pics.