Sheikha Moza Bint Nasser of Qatar is second on the the list, while Princess Catherine, the Duchess of Cambridge, is on third position.
The British royal, who married Prince William in April, has appeared on the list for the second time, with her first mention in 2008.
Contactmusic.com reports that she has gained approval recently for her habit of recycling outfits including the green Diane Von Furstenberg dress she wore on her recent trip to California.
Top 10 international best dressed woman are:
1) Carla Bruni-Sarkozy
2) Sheikha Moza Bint Nasser of Qatar
3) The Duchess of Cambridge
4) Andrea Dellal
5) Carey Mulligan
6) Christine Lagarde
7) Tilda Swinton
8) Lizzie Tisch
9) Princess Charlene of Monaco
10) Jane Lauder Warsh