But as Pattinson reveals, the chemistry between them was so strong that he pestered her to go out on a date with him.
"I asked her out a lot," he said, "but she wasn’t having it."
The pair managed to keep their romance secret until February when they finally admitted it.
"I do think Kristen is amazing," says Pattinson. "I wanted to work with her the moment I met her. Our chemistry was so good."
The couple said nothing as the press reported rumored relationships between Pattinson Camilla Belle, Anne Schoenberger and Nina Schubert, which kept the spotlight off Kristen.
Now it looks as if they are moving in together.
The British press reports that Pattinson and Stewart have been house-hunting on the Isle of Wight where they spent a passionate New Year’s Eve.