New York, July 13 : She might have worked with Hollywood heartthrob Robert Pattinson, but Harry Potter star Emma Watson denies any sparks ever flew within them.

While attending the Ziegfeld Theatre premiere of `Harry Potter and the Half-Blood Prince", Watson admitted that she and Pattinson are "good friends".

"He's just a good friend!" the New York Daily News quoted Watson as saying.

"He's a super-nice guy, and girls love him. We're just friends - but he sure was great to work with," she added.

Meanwhile, the 19-year-old actress insists she's apprehensive about what turn her life will take after the series of Harry Potter flicks end.

"It''s going to sound dramatic, but I feel my life as I know it will be over. My whole life has been about Harry Potter and then all of that will be shut down and I don''t know what it will be like," she added. (ANI)