• Keira is trained in dancing.
• Is a member of the Heathham House Youth Project.
• Is dyslexic.
• Likes to paint boots.
• Father is actor Will Knightley.
• The similarity between her and Natalie Portman, meant that during the filming of Star Wars Episode I: The Phantom Menace, their own mothers could not tell them apart once covered in makeup.
• Role as the decoy queen in Star Wars Episode I: The Phantom Menace was kept secret in order to not spoil the surprise, it was maintained through the promotions that Natalie Portman played both the Queen and the decoy.
• Was the result of a bet between her mother and father.
• Had her cleavage painted in for Pirates of the Caribbean: Curse of the Black Pearl.
• The most glamorous film actress chosen by magazine Glamour (2004).
• Supports West Ham United.
• Tatler announced that Keira is the most desirable single woman in Britain (2004).
• Mother is actress-turned-author Sharman Macdonald, who wrote When I Was A Girl I Used To Scream And Shout and The Winter Guest.
• With her money from Star Wars Episode I: The Phantom Menace, Keira bought a doll house.
• First nude scene at the age of 16, in The Hole (2001).
• Auditioned for, and was accepted to the London Academy of Music and Dramatic Art (LAMDA) in London, England.
• Shares a birthday with poet Robert Frost, actress Amy Smart, Aerosmith frontman Steven Tyler, and singer Diana Ross.
• Childhood nickname was "Boo".
• Model for Asprey (2003).
• Was almost not picked to play Elizabeth Bennet in Pride & Prejudice for being "too pretty".
• Suffered food poisoning while meeting with the director of The Jacket about getting the part of Jackie.
• Is currently dating Pride & Prejudice co-star Rupert Friend.
• Other celebrity boyfriends included Del Synott and Jamie Dornan.
• Is friends with actress Sophia Myles, who played her sister in Oliver Twist.
• Credits her dark looks to her mother's Black Scottish heritage, who were descendants of the Spanish Armada.
• Said auditioning for the role of Christine in The Phantom of the Opera was the singularly most embarrassing moment of her life.
• At age 20, she is the third youngest woman to be nominated for Best Actress in Oscar history.
• Voted second sexiest voice, behind Sir Sean Connery, in a poll by the UK's Royal National Institute for the Blind, commissioned to celebrate 70 years of their Talking Books service.
• Model for Coco Chanel (2007).
• Favorite book is apparently War and Peace.
• Made her debut on the Forbes 100 Most Powerful Celebrities in June, 2007. She came in a #71 beating out other high profile actresses like Scarlett Johansson and Reese Witherspoon.
• Her 21st birthday party cost more than $30,000. Actors, designers, and other industry types attended. • Her mother, Sharman Macdonald, wrote the screenplay for her film The Edge of Love. She wrote the role of Caitlin with Keira in mine, but Keira chose to play Vera instead.
• Worked with vocal coach, Claire Wilford, for her singing in The Edge of Love.