The 11 Year Relationship Of College Sweethearts, Mark Zuckerberg And Priscilla Chan
The wedding was a surprise for all of the guests, who thought they were attending a medical school graduation party for Chan.
The couple met in line for the bathroom at a frat party 11 years ago. Now Chan has been dubbed the "first lady" of Facebook, and the pair have been extremely generous with their fortune.
Here's a summary of their time together, as told through their Facebook timelines.