The couple, who met at Harvard and have been going steady for more than nine years, took the plunge in front of an group of fewer than 100 family members and friends, according to People. The surprised guests reportedly thought they had gathered to celebrate Chan's graduation from medical school at the University of California, San Francisco, on Monday.
Zuckerberg made the marriage all the more official and public by, of course, changing his status on Facebook from "In a Relationship" to "Married."
The union of the two lovebirds added another momentous event to the 28-year-old's week, who on Friday made one of the most anticipated moves in finance history by taking his company public.
So what does a multi-billionaire give his college-sweetheart-turned-fiancée for a ring? A company spokeswoman said Zuckerberg designed the ring himself which featured "a very simple ruby."
As for kids? The couple currently have one white fluffy one named Beast together.
Congrats—we like this!