Our next guest used to dealing with vampires and werewolves, in a film called "twilight." Starring in a new film "the apparition." She, of course, is ashley greene. hi. Good to see you. Thank you.... See More
Our next guest used to dealing with vampires and werewolves, in a film called "twilight." Starring in a new film "the apparition." She, of course, is ashley greene. hi. Good to see you. Thank you. Thank you for coming, you beautiful creature. Thank you. Oh, my goodness, gracious, I'm staring. Congrats on the movie. It opens today, "the apparition" and it's very, very scary. We have a clip. Do you want to set it up or should we just take a look? Do you want to give us a sampling of what the film is about? Yes, basically, my character, kelly, is kind of battling this entity that her -- an apparition. An apparition, her boyfriend has kind of drudged up in college. It kind of toys with your mind and messes with your emotions. This is one of the scenes where it kind of -- it's just being very cruel and messing with me. Okay. All right. I'm officially scared and so are you going to be. Take a look. Oh, my gosh. I can't handle this. Oh, my gosh. you know, you know, I mean, I'd be like this the whole time. I ha to ask, when shooting -- when you're making a horror movie, what's it like -- you know, you do the take. What's it like when, you know, you hear "cut"? How quickly does life snap back to normal? It takes a minute. It takes a minute. I feel like your body kind of -- it's muscle memory, it react, you're kind of shaking and there are definitely times when I had to walk outside and be alone for a minute. I don't know why I do it to myself. What's with you and scary movies? This, "twilight." I read something that you didn't like scary movies at all as a kid. Yeah, I liked them for a while until I realized that, you know, it's actually could be realistic. These things could actually happen. Now that I live by myself, I'm not so big on horror films anymore. But I make them. So -- I don't know, I guess tortured artist. You're here, and we're going to -- weir neat like going to hold you hostage, so that gets scary. We hope -- want to play a game? We'll lighten things up. Something we like to call twitterpiece theater. This is when I get to pull the pipe out. Ashley's impressed by the pipe much it's the twitter feed, 1.7 million follower, "twilight" will do that for you. We created a story out of real fan tweets. Didn't make any of them up. And the "good afternoon america" players are guy. You'll hand out an award in the end. You're going to play a part. I'm going to play. Away we go. And we begin -- once upon a time in the virtual world, ashley greene took a walk in new york city and wondered to the world -- really nyc question mark, exclamation point, not only did you downpour during my patio breakfast but also on my walk to dinner, yes mark, exclamation point, smiley face hashtag excuse to play in the rain. Yes that's 140 characters. One person saw her in the rain and explained -- that ashley greene is stunning like the impart from the golden age of hollywood or something, hashtag ava gardner, hashtag audrey hepburn -- hashtag classic beauty. At the sight of ashley, another fan remembered -- I can't wait to see "the apparition" ashley greene and tom felton!!! Hashtag scream hashtag twitch hashtag faint. Whoo! I actually decided to get off the street and get a bite to eat. Pretty sure whole foods makes the best dinner ever. Hashtag relaxation/vacation. One person saw her buying dinner and asked very strange questions. Ashley m. Greene. What did your mom eat when she was pregnant with you ashley? ? Hash dag askashleygreene. Do you want the pipe? So disturbed. That's the weirdest one ever. Well, another person saw her and realized -- yes! "The apparition" has @ashley m. Greene in it. Always wondered what it would be like to see a hashtag vampire fight hashtag ghost hashtag pretty sweet. wow. Before we give away the twitty for the best performance. Ashley, I suggest you block that dude. There can only be one winner, ashley. I'm going to block that dude, but I'm going to give you this award. thank you. Thank you. Hey, everybody. It is "the apparition," it does open today. She is ashley greene, huh? Go nowhere!
This transcript has been automatically generated and may not be 100% accurate.