Paris Hilton was booed as she went onstage to present a preview a clip from her upcoming horror movie at the 2007 Scream Awards in Los Angeles on Friday (19Oct07) night. The hotel heiress took the Greek Theater stage, joined by her Repo! The Genetic Opera! co-stars Bill Moseley and Anthony Head, when some members of the audience decided to express their displeasure at the sight of the former jailbird. Hilton appeared unfazed by the unwanted attention. Elsewhere, at the sci-fi and horror-themed ceremony - organised by U.S. network Spike TV, Harrison Ford was honoured with the Hero Award. Transformers won Best Sci-Fi Movie and Best F/X and its stars Shia LaBeouf and Megan Fox were crowned Best Sci-Fi Star and Best Sci-Fi Siren respectively. Jessica Alba was awarded Best Female Superhero for her role in Fantastic Four: Rise Of The Silver Surfer and Hayden Panettiere was named Best Breakout Star for her part in TV series Heroes. Pan's Labyrinth won Best Fantasy Movie; 28 Weeks Later was awarded the Best Horror Movie honour, and historic war film 300 collected The Ultimate Scream. Shock rocker Alice Cooper collected the Rock Immortal Award.