Facebook CEO gets married at surprise wedding

AP Photo/Facebook, Allyson Magda Photography

This photo provided by Facebook shows social network's co-founder and CEO Mark Zuckerberg and Priscilla Chan at their wedding ceremony in Palo Alto, Calif., Saturday, May 19, 2012. Zuckerberg updated his status to "married" on Saturday. The ceremony took place in Zuckerberg's backyard before fewer than 100 guests, who all thought they were there to celebrate Chan's graduation.

This photo provided by Facebook shows the social network's co-founder and CEO Mark Zuckerberg and Priscilla Chan at their wedding ceremony in Palo Alto, Calif., Saturday, May 19, 2012.

In this July 9, 2011, file photo, Mark Zuckerberg, president and CEO of Facebook, walks to morning sessions with his girlfriend Priscilla Chan during the 2011 Allen and Co. Sun Valley Conference, in Sun Valley, Idaho.

This undated personal photo shows Facebook founder and CEO Mark Zuckerberg and Priscilla Chan.

This picture taken on December 25, 2011 shows Facebook's founder and billionaire Mark Zuckerberg's girlfriend Priscilla Chan holding a bunch of flowers during a tour in Ha Long Bay in the northeastern province of Quuang Ninh.

This undated personal photo shows Facebook founder and CEO Mark Zuckerberg and Priscilla Chan.

This undated personal photo shows Priscilla Chan, left.

This undated personal photo shows Facebook founder and CEO Mark Zuckerberg and Priscilla Chan.

This undated personal photo shows Priscilla Chan, left.

This undated personal photo shows Priscilla Chan, right.

This undated personal photo shows Facebook founder and CEO Mark Zuckerberg.

This undated personal photo shows Priscilla Chan, right.

Facebook founder Mark Zuckerberg prepares to speak to reporters at Harvard University November 7, 2011 in Cambridge, Mass.

This undated personal photo shows Priscilla Chan.

This picture taken on December 25, 2011 shows Facebook's founder and billionaire Mark Zuckerberg (L, obscured, behind) and his girlfriend Priscilla Chan (L, front) walking toward a cave as they tour Ha Long Bay in northeastern province of Quuang Ninh.

This picture taken on December 25, 2011 shows Facebook's founder and billionaire Mark Zuckerberg (2nd L) and his girlfriend Priscilla Chan (2nd R) during their private trip to Ha Long Bay in the northeastern province of Quuang Ninh.

Once word got out of the marriage, the rush began to Zuckerberg's Facebook status update, which has accumulated over one million likes.

Screen-shot-2012-05-21-at-9.48.png — Facebook

This screen grab shows Mark Zuckerberg's public Facebook profile.

This screen grab shows Priscilla Chan's public Facebook profile.

This screen grab shows a close up of Priscilla Chan's public Facebook profile. She changed her "relationship status" as married.

In this July 9, 2011, graphic file photo, Mark Zuckerberg, president and CEO of Facebook, walks to morning sessions with his girlfriend Priscilla Chan during the 2011 Allen and Co. Sun Valley Conference, in Sun Valley, Idaho.