Best Dressed Women

1. No 20: Carey Mulligan

The actress wowed the BAFTA panel with her performances in Never Let Me Go and Wall Street 2: Money Never Sleeps

2. No 19: Samantha Cameron

Samantha Cameron, who on Friday elected to wear no hat to William and Kate's wedding at Westminster Abbey in London,

3. No 18: Leighton Meester

Leighton Meester attends the 'You Know You Want It' publication celebration at Henri Bendel on January 12, 2010 in New York City

4. No 17: Diane Kruger

Diane Kruger attends the Palme d'Or Award Closing Ceremony held at the Palais des Festivals.

5. No 16: Sienna Miller

Sienna Miller attends the UK premiere of the movie 'Factory Girl' held at the Vue West End on March 13th , 2007 in London, England.

6. No 15: Victoria Beckham

Victoria Beckham arrives from Milan at Terminal 5 at Heathrow Airport in January 2011.

7. No 14: Vanessa Hudgens

High School Musical star Vanessa Hudgens looks slinky in black.

8. No 13: Anna Kendrick

Up In The Air and Twilight actress Anna Kendrick makes her Oscars red carpet debut in this pretty blush Elie Saab dress.

9. No 12: Ashley Greene

Actress Ashley Greene arrives at the Metropolitan Museum of Art Costume Institute gala, Monday, May 2, 2011 in New York.

10. No 11: Jennifer Aniston

11. No 10: Lea Michele

Actress Lea Michele arrives on the red carpet at the Grammy Awards

12. No 9: Olivia Palermo

With her cute smile and girlie dress Olivia Palermo looks like butter wouldn't melt.

13. No 8: Blake Lively

'Gossip Girl' star Blake Lively

14. No 7: Kate Moss

Kate Moss

15. No 6: Rihanna

Rihanna arriving for the 2011 Brit Awards at the O2 Arena, London.

16. No 5: Alexa Chung

Alexa Chung poses with her British Style award at the 2010 British Fashion Awards.

17. No 4: Dannii Minogue

Dannii demonstrates how to use a new long-lash mascara product.

18. No 3: Kristen Stewart

Kristen Stewart attends the premiere of The Twilight Saga: Eclipse' in Los Angeles, USA

19. No 2: Cheryl Cole

Cheryl Cole arriving at X Factor rehearsals last summer.

20. No 1: Emma Watson

Emma Watson now tops the poll, followed by Cheryl Cole and Twilight actress Kristen Stewart. Dannii Minogue is fourth, followed by Alexa Chung, Rihanna and Kate Moss. Tom Cruise and Katie Holmes's daughter Suri is a new entry in the list at 21 - despite being only five years old. Prime Minister's wife Samantha Cameron is a newcomer in the list at 19, just a few places ahead of Suri, with Glamour saying she "seamlessly marries classics with fashion-forward pieces". Reality star Katie Price is named worst-dressed woman, followed by eccentric singer Lady Gaga.