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GASP! Anna Wintour's In Vogue: The Editor's Eye , a new HBO documentary comes out next month and will be the must-see of the season. Thank goodness The Telegraph has given us a little teaser, after Luke Leitch interviewed Wintour to get the low down. Here are the best bits:

What You Didn't Know About Anna Wintour
1. Wintour's work ethic came from her own chief: father Charles Wintour who was editor of the Evening Standard in his time.
2. Anna has great expectations of those she works with: "I want people who can argue, and disagree, and have a point of view that's reflected in the magazine." Hmm, argue with Wintour the infamous face of all things Vogue? Dare ya!
3. She's a Christopher Kane groupy. Anna revealed he is "fabulous - and lovely too".
4. Wintour's fashion guideline: "If it doesn't change, it's not looking forward. And that's important to me".
5. Barack secured her vote, but so too did First Lady Michelle Obama for her wardrobe of: "J.Crew or Thakoon or Azzedine Alaïa: a gamut of different designers. She has changed the way American women see fashion". We second that!
6. There's no place like home, and for Anna London feels just like it. Whilst she's exquisitely English it's New York that knows the tune of hard, honest work.
7. She's missing out on the British Fashion Awards next week so that she can attend Grace Coddington's book party celebrating her fashion memoirs. "It's a big thing. She's given so much to this magazine - she's one of the great unsung heroines of our business". See, they really are besties.
8. Signed, sealed delivered? Nope, Wintour has confirmed that she will not "ever" write a book.
If you're still in the need-to-know flow then take a look through Anna's style evolution below:
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1991
Comedienne Joan Rivers, designer Paloma Picasso and Vogue editor Anna Wintour attend a benefit dinner for the American Suicide Foundation.
2002
Vogue Magazine editor Anna Wintour arrives at the opening of the Mario Testino photography exhibition wearing a patchwork dress.
2003
Anna Wintour attends the Metropolitan Museum Of Art Costume Institute Benefit Gala wearing all white.
2004
Editor Anna Wintour attends the Donna Karan S/S 2005 show.
2006
Editor Anna Wintour attends Olympus Fashion Week A/W 2006/7 wearing a fur trimmed coat.
2006
Vogue Editor in Chief Anna Wintour and her daughter, Bee Schaeffer.
2007
Editor-in-chief of American Vogue Anna Wintour during the Mercedes-Benz Fashion Week S/S 2008, New York.
2007
Anna Wintour attends a celebration wearing a pink dress.
2008
Vogue editor-in-chief Anna Wintour attends the Carolina Herrera S/S 2009 fashion show, New York.
2009
Anna Wintour attends the Tommy Hilfiger S/S 2010 show in New York.
2010
Anna Wintour and daughter Bee Schaffer attend the Metropolitan Museum of Art's 2010 Costume Institute Ball.
2010
Designer Diane Von Furstenberg and Anna Wintour attend Fashion's Night Out.
2010
Anna Wintour attends The Museum of Modern Art wearing a fur-trimmed coat.
2011
Editor-in-chief of American Vogue Anna Wintour wears a full-length gown.
2011
Anna Wintour attends a ceremony where she was awarded with the medal of Chevalier of the Legion of Honor at the Elysee Palace in Paris. She wore a navy blue suit.
2011
American Vogue Editor-in-Chief Anna Wintour during S/S 2012 Mercedes-Benz Fashion Week wearing a skirt with a cream jumper and matching nude shoes.
2011
Rapper Nicki Minaj and Editor-in-chief of American Vogue, Anna Wintour attend the Carolina Herrera S/S 2012 fashion show.
2012
Anna Wintour wears a floral number.
2012
Anna Wintour wears all black at the Vera Wang A/W 2012/3 fashion show.
2012
Anna Wintour and Jonathan Newhouse attend the Michael Kors A/W2012 fashion show.
2012
Anna Wintour arrives at the Stella McCartney Special Presentation during London Fashion Week A/W 2012.
2012
US Vogue editor-in-chief Anna Wintour in Milan.
2012
Anna Wintour attends the Giorgio Armani A/W 2012/13 fashion show in Milan.
2012
Anna Wintour attends the Costume Institute Benefit at The Metropolitan Museum of Art.
2012
Anna Wintour arrives with Shelby Bryan for a State Dinner in honor of British Prime Minister David Cameron at the White House.
2012
Editor-in-Chief of Vogue Anna Wintour at the Schiaparelli And Prada: Impossible Conversations Costume Institute Exhibition Press Preview at the Metropolitan Museum of Art.
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