London: Actress Mila Kunis has been named FHM's sexiest woman 2013, with pop singer Rihanna on the second spot."Mila Kunis has had a phenomenal year. She's starred in the highest grossing comedy 'Ted' and is the most in-demand Hollywood star right now," contactmusic.com quoted Dan Jude, deputy editor, FHM, as saying."Not only is she naturally stunning, but she has a great sense of humour and isn't afraid to poke fun at herself. The nation has spoken, and the verdict is that she is officially the perfect girlfriend. She'll take some beating in 2014," added Jude.The complete top 10 list:1. Mila Kunis2. Rihanna3. Helen Flanagan4. Michelle Keegan5. Kelly Brook6. Kaley Cuoco7. Pixie Lott8. Kate Upton9. Cheryl Cole10. Georgia Salpa