She was followed by the eccentric singer Lady GaGa, whose awards dress made from cuts of meat was memorable for all the wrong reasons, reports the Sydney Morning Herald.
Victoria Beckham is down seven places at number 15 in the best-dressed list, while Beyonce suffered the biggest drop, from 9th place to 36th.
Mad Men star Christina Hendricks is a newcomer at number 33, while other new entries include Nicole Richie (25), Kelly Brook (46), and Carey Mulligan (20).
The full list, compiled from over 15,000 votes from Glamour.com, appears in the issue of Glamour magazine.
