Sin City star Jessica Alba is FHM's sexiest woman in the world for this year for both the US and UK rankings beating glamour model Keeley Hazell, Desperate Housewives star Eva Longoria, Brad Pitt's other half Angelina Jolie, and American Idol season 5 runner-up Katharine McPhee to take the title. "She's a talented, successful and beautiful actress who clearly has sex appeal that translates worldwide," said the magazine's editor, Chris Bell. Last year's winner, Pirates of the Caribbean star Keira Knightley, dropped to 12th place in the UK list. SEXIEST WOMEN IN THE WORLD 2007 US Top 10 1. Jessica Alba (star of Sin City) 2. Katharine McPhee (American Idol season 5) 3. Scarlett Johansson 4. Gisele Bündchen 5. Alessandra Ambrosio 6. Jessica Biel 7. Adriana Lima 8. Angelina Jolie 9. Keira Knightley 10. Marisa Miller UK's Top 10 1. Jessica Alba (star of Sin City) 2. Keeley Hazell (model) 3. Eva Longoria (star of Desperate Housewives) 4. Adriana Lima (supermodel) 5. Scarlett Johansson (actress) 6. Hayden Panettiere (star of Heroes) 7. Cheryl Tweedy (singer) 8. Angelina Jolie (star of Lara Croft) 9. Emily Scott (model) 10. Elisha Cuthbert (actress) (Source: FHM) The top 100 is featured in the June edition of FHM. Watch a fanvid of Jessica Alba after the jump...

(Thanks to megarainer for this video)