Kate Middleton has topped the list of Ten Best-Mannered People of 2011, compiled by the National League of Junior Cotillions.
Kim Kardashian has been adjudged the most ill-mannered person of the year 2011 for making a private matter public and disrespecting the institution of marriage.
Compiled by the etiquette and social training program, the list ranks actors, celebrities, singers and athletes based on one's demonstration of dignity, honor and respect, Elizabeth Anne Winters, NLJC national director, told the US Weekly.
Kate Middleton has been praised for the poise and dignity with which she conducts herself in the public spotlight, said Winters.
Teen Sensation Justin Bieber took the second place for consistently showing courtesy to his fans whereas American singer-songwriter Paula Abdul took the third position for her encouragement to aspiring entertainers.
NFL quarterback Aaron Rogers ranked fourth for being a positive role model, followed by Taylor Swift and Good Morning America host George Stephanopoulos in the fifth and the sixth places respectively.
Jackie Evancho, an 11-year-old child singer who participated in NBC's America's Got Talent in 2010, landed up in the seventh place for demonstrating humility and politeness as a young performer.
Erin Burnett, CNN talk show host, ranked eighth and British actress Emma Watson landed in the ninth position.
Denver Broncos quarterback, who landed in the 10th position, wraps up the top 10 list for displaying good sportsmanship on and off the field.
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