Facebook founder Mark Zuckerberg: 'In a relationship'

The founder of Facebook has finally changed his relationship status on the site, having dated his girlfriend for seven years.

Mark Zuckerberg updated his status to 'In a relationship' in honour of his romance with college girlfriend Priscilla Chan.

The 26-year-old added that the change had been "long overdue".

Mark and Priscilla – who was also portrayed in the 2010 movie The Social Network - started seeing each other when they were both studying at Harvard University.