Tim Tebow

(Photo by Mike Stobe/Getty Images)

10. Named best mannered for displaying good sportsmanship on and off the field.
(Photo by Mike Stobe/Getty Images)

Emma Watson

(Photo by Stephen Lovekin/Getty Images)

9. Named best mannered for the kindness extended to her Harry Potter fans.(Photo by Stephen Lovekin/Getty Images)

Erin Burnett

(Photo by Stephen Lovekin/Getty Images)

8. Named best mannered for the respect she shows others as a network host.
(Photo by Stephen Lovekin/Getty Images)

Jackie Evancho

(Photo by Mike Moore/Getty Images for CFN)

7. Named best mannered for demonstrating humility and politeness as a young performer.(Photo by Mike Moore/Getty Images for CFN)

(Photo by Mike Moore/Getty Images for CFN)

George Stephanopoulos

(Photo by Bryan Bedder/Getty Images)

6. Named best mannered for extending warmth and kindness to “Good Morning America” guests.(Photo by Bryan Bedder/Getty Images)

(Photo by Bryan Bedder/Getty Images)

Taylor Swift

(Photo by Jason Merritt/Getty Images)

5. Named best mannered for inspiring young people with her music and her manners. (Photo by Jason Merritt/Getty Images)

Aaron Rodgers

(Photo by Al Bello/Getty Images)

4. Named best mannered for being a positive example for young athletes.
(Photo by Al Bello/Getty Images)

Paula Abdul

(Photo by Frazer Harrison/Getty Images)

3. Named best mannered for her encouragement to aspiring entertainers.
(Photo by Frazer Harrison/Getty Images)

Justin Bieber

(Photo by Pascal Le Segretain/Getty Images)

2. Named best mannered for consistently showing courtesy to his fans.
(Photo by Pascal Le Segretain/Getty Images)

Kate Middleton

(Photo by Ian Gavan/Getty Images)

1. Named best mannered for the poise and dignity with which she conducts herself in the public spotlight. (Photo by Ian Gavan/Getty Images)

The National League of Junior Cotillions, an etiquette and social training program involving thousands of young people in the United States, named the top 10 well-mannered celebrities and the most ill-mannered celebrity.

(Photo by Ian Gavan/Getty Images)