Emma Watson has added fuel to the rumours that Robert Pattinson is dating his Twilight co-star Kristen Stewart.

The Harry Potter star is quoted admitting she has a crush on the actor - but believes his affections lie elsewhere: “Oh god! He’s absolutely hot! He’s driving me crazy…

“But we’re just good friends and can be on the phone for hours, because I know that there’s something going on between him and Kristen Stewart.”

Rob and Kristen have denied rumours of a romance but sources on the set of their new film New Moon have claimed the pair have been growing steadily closer over the last few weeks. They were spotted dining together and heading back to the same hotel following the MTV Movie Awards last week.

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