Natalie Portman has topped a new style list, beating best friends Drew Barrymore and Cameron Diaz.

The Star Wars actress has been named No. 1 on the InStyle magazine Style 20.

Portman topped the list because "she exhibits unwavering faith in the cut and quality of a great dress."

InStyle's Katrina Szish said: "Natalie Portman is one of those celebrities who has natural beauty, but she also knows what looks good on her."

The Top 10 is:

1. Natalie Portman

2. Drew Barrymore

3. Cameron Diaz

4. Penelope Cruz

5. Jennifer Lopez

6. Anne Hathaway

7. Cate Blanchett

8. Sienna Miller

9. Helen Mirren

10. Joy Bryant