In a surprise marriage, Facebook CEO and founder Mark Zuckerberg wedded his long time sweetheart, Priscilla Chan, in a private wedding at his house in Palo Alto, Calif. on Saturday.

Zuckerberg, who just became a billionaire because of the Facebook IPO on Friday, allegedly placed a band on his wife’s handy during the marriage — the ring, said to be designed by Zuckerberg himself, was described as presenting a “very simple ruby.”

According to the Associated Media, Zuckerberg’s wedding to Priscilla Chan took position before side of about 100 invited guests who believed they were enjoying Ms. Chan’s medical school graduation. It all occurred in Zuckerberg’s back garden.

Take a look at Zuckerberg’s personal web page on Facebook, and you will see the above image, which Zuckerberg allegedly placed onto his own website as a modify of his position after the wedding.

The several met while both were joining Harvard, and have been together for nine years.