Snapchat was initially presented as a class project at Stanford before Spiegel went ahead - along with co-founders Robert Murphy and Reggie Brown - to build it into a company. Evan Spiegel's house The tech entrepreneur upgraded from his Los Angeles residence to a seven bedroom pad just two months before popping the question to Miranda. Westside Estate Agency The spectacular property was designed by one of the most famous architects in California history, Gerard Colcord and features city views, a pool and pool house, home gym and guest house. Interestingly, he's very concerned with privacy and likes to stay off the grid - not what you'd expect from a Silicon Valley billionaire. Westside Estate Agency The 7,square-foot home is a perfect lovenest for the couple to start married life in with lots of room for Miranda's five-year-old son Flynn - from her marriage to Orlando Bloom - to run around in. Miranda stunned in a custom-made Dior gown, designed by the brand's artistic director Maria Grazia Chiuri. Since launching back in , Snapchat has become one of the most popular smartphone apps on the planet.