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.
Following the new update, Chan's Facebook page reveals that the pair started their relationship on November 7 2003, just days after Zuckerberg's infamous Facemash stunt at Harvard.
He was nearly expelled from the university after hacking into different colleges' websites and taking pictures of all the female students, placing them next to each other and asking other students to 'rate' their attractiveness.
So how could she be the wife of Facebook billionaire? First, Priscilla Chan knew Mark before he is well known as a billionaire.
The love story of their first encounter has been spread by many.
Not only because Zuckerberg is the social networking king, but he wore a suit! Joking apart, who exactly is the woman that captured the heart of Mark Zuckerberg? From the appearance, you can’t see anything about charming.Observers however have noted that often when couples become 'in a relationship' on the social network an ‘engaged’ status soon follows.Zuckerberg and Chan started seeing each other when they were both studying at Harvard University.The 26-year-old has updated his Facebook status to ‘in a relationship’ to reflect the fact he is taken.He added that the change had been ‘long overdue’ but did not explain why he had waited so long.