Sure, A-list celebrities have their flashy parties, but fans of Internet "cewebrities" and viral videos know how to throw down, too. Our good friends at Urlesque and Know Your Meme had a bash in NYC honoring the best of the web... complete with a Rick Astley, people dressed as Photoshop and even Christian the lion. Check out the hilarious pics from last night's HallowMEME party after the jump.