With fans nationwide rushing out to see 'Twilight' on opening day, ET has new video of director Catherine Hardwicke dishing secrets about filming the vampire love epic -- including new details about Robert Pattinson and Kristen Stewart's onscreen connection!

"I think [moviegoers are] going to feel a lot of emotion between the lead characters," Hardwicke promises about the connection between Pattinson, who plays tortured vamp Edward Cullen, and Stewart, who portrays ordinary mortal girl Bella Swan.

"I love the novel too," Hardwicke tells ET on why she wanted to direct 'Twilight.' "I let myself just get involved in it and feel this obsessive love so that's what made me want to do the movie. I wanted to create that world onscreen."

Hardwicke was an art director before making her directorial debut with 'Thirteen,' which starred and was co-written by 'Twilight''s Nikki Reed.

Watch our video for more on 'Twilight'!