Top 10 Sexiest Sci-Fi Females: In Pictures

Sexy new sci-fi drama Lost Girl debuts on Syfy tonight at 10pm, and to celebrate, the channel asked fans to vote for their favourite guys and gals in the science fiction genre.

You can take a look at the girls' list below and also judge for yourselves with our picture gallery. Do you agree with the voice of the people? Should Gillan have beaten Piper in the war of the sexy Who girls? Let us know!

1. Sarah Michelle Gellar (Buffy the Vampire Slayer) - 12.7%

2. Jeri Ryan (Star Trek) - 10.9%

3. Jessica Alba (Fantastic Four) - 10.8%

4. Karen Gillan (Doctor Who) - 10.6%

5. Billie Piper (Doctor Who) - 7.7%

6. Anna Paquin (True Blood) - 7.3%

7. Hayden Panettiere (Heroes) - 6.4%

8. Jane Fonda (Barbarella) - 5%

9. Carrie Fisher (Star Wars) - 4.7%

10. Sigourney Weaver (Alien) - 4.6%