Former Headington School pupil and Harry Potter star Emma Watson has graduated from university in the USA. Miss Watson, right, graduated with a BA in English literature from Brown University, Rhode Island. The 24-year-old previously studied at Oxford University.

She tweeted a picture of herself wearing a mortar board after Sunday’s ceremony, captioned with just an exclamation mark. It has been retweeted more than 72,000 times.

  • Our top stories: