Last week was a busy one for Facebook CEO Mark Zuckerberg, who married longtime girlfriend Priscilla Chan on Saturday a day after his company's IPO.

This photo, provided by Facebook, shows Zuckerberg and Chan at their modest wedding ceremony at Zuckerberg's home in Palo Alto, Calif.

Fewer than 100 guests were in attendance, having arrived for what they thought would be a med school graduation party for Chan, according to the Associated Press account of the event.

Click on for more non-wedding Facebook photos of the bride and groom.

Via CBSNews.com

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Photo by: Facebook/Mark Zuckerberg / Caption by:
This undated personal photo shows Facebook founder and CEO Mark Zuckerberg and Priscilla Chan.

Via CBSNews.com
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Photo by: Facebook/personal photo / Caption by:
This undated personal photo shows Facebook founder and CEO Mark Zuckerberg and Priscilla Chan.

Via CBSNews.com
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Photo by: Facebook/Personal Photo / Caption by:
This undated personal photo shows Facebook founder and CEO Mark Zuckerberg and Priscilla Chan with their dog, Beast.

Via CBSNews.com
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Photo by: Facebook/Personal Photo / Caption by:
This undated personal photo shows Facebook founder and CEO Mark Zuckerberg and Priscilla Chan.

Via CBSNews.com
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Photo by: Facebook/Personal Photo / Caption by:
This undated personal photo shows Priscilla Chan, left.

Via CBSNews.com
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Photo by: Facebook/Personal Photo / Caption by:
This undated personal photo shows Facebook founder and CEO Mark Zuckerberg and Priscilla Chan.

Via CBSNews.com
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Photo by: Facebook/Personal Photo / Caption by:
This undated personal photo shows Priscilla Chan, left.

Via CBSNews.com
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Photo by: Facebook/Personal Photo / Caption by:
This undated personal photo shows Priscilla Chan, right.

Via CBSNews.com
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Photo by: Facebook/Personal Photo / Caption by:
This undated personal photo shows Facebook founder and CEO Mark Zuckerberg.

Via CBSNews.com
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Photo by: Facebook/Personal Photo / Caption by:
This undated personal photo shows Priscilla Chan, right.

Via CBSNews.com
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Photo by: Facebook/Personal Photo / Caption by:
This undated personal photo shows Mark Zuckerberg's new wife Priscilla Chan.

Via CBSNews.com
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Photo by: Facebook/Personal Photo / Caption by:
Once word got out of the marriage, the rush began to Zuckerberg's Facebook status update, which has accumulated more than 1,095,888 "likes."

Via CBSNews.com
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Photo by: Facebook/Mark Zuckerberg / Caption by:
This screen grab shows Mark Zuckerberg's public Facebook profile.

Via CBSNews.com
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Photo by: Facebook / Caption by:
This screen grab shows Priscilla Chan's public Facebook profile.

Via CBSNews.com
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Photo by: Facebook / Caption by:
It's Facebook official. This screen shot shows a close up of Priscilla Chan's public Facebook profile with her 'relationship status' changed to 'married'.

Via CBSNews.com
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Photo by: Facebook / Caption by:
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