The English actor was spotted with 19-year-old Olive Uniacke several times in the recent past. The pair partied in Russia recently to celebrate Radcliffe"s 21st birthday on 23 July 2010 and were also seen looking close at a cricket match in London, reports The Daily Star.
The couple, who have been friends since the Harry Potter series started in 2001, are secretly dating, according to The Daily Mail.
“Olive and Dan have known each other a long time, ever since the Harry Potter films started. They were close a few years ago but the relationship fizzled out then. Even so, they have always remained friends. And in the last few months they have grown closer again," a source said.
“Olive has money in her own right so is certainly not a gold-digger. Olive is a lovely young lady - and she and Dan have been close for a long time. She was always in and out of his dressing room during filming and she has always been really protective over him," the source added.