Lady Gaga, Florence Welch and Anna Friel are new faces in Glamour magazine's Best-Dressed Women List 2010.
"Fearless dresser" Rihanna makes second place, followed by Gossip Girls Blake Lively "on the right side of the classy/trashy divide" and Leighton Meester, and TV presenter Alexa Chung.
Pregnant Dannii Minogue is sixth, her highest ranking so far, but for the first time in the 8th Annual Glamour List sister Kylie doesn't make the top 50.
Last year's number two, supermodel Kate Moss, has slipped to seventh place, while Spice Girl turned fashion designer Victoria has fallen from third to eighth.
Beyonce is ninth followed by Harry Potter actress and Burberry model Emma Watson in the list of the globe's style-makers, voted for by the public.
Other newcomers include Twilight actress Kristen Stewart (20), singer Pixie Lott (21), Angelina Jolie (23) and Leona Lewis (49).
Hollywood star Anne Hathaway suffered the biggest drop, cascading 23 places to 42 while Sienna Miller (15), Sarah Jessica Parker (22) and Kate Winslet (40) have also fallen down the rankings.
Twilight star Robert Pattinson has been named the best-dressed man, while Cole's estranged husband Ashley does not get a look-in the top 10 men.
Designer Henry Holland said of the Fight For This Love singer, who first shot to the top spot last year: "X Factor was my fashion moment of the year because of Cheryl. She wore Giles Deacon, Marios Schwab and Richard Nicoll. She was flexing her fashion mojo."