Ken - Ken is described as a seventeen-year-old male with an interest in sports and Barbie's boyfriend. Ken goes on a journey to Paris to prove that he loves her after finding out she went there. In the end, the two became a couple.
Marie-Alecia - Marie-Alecia "Alice" is a shy, aspiring sixteen-year-old fashion designer with amazing talent. Her dream is to succeed in the world of fashion, but she is too modest and unsure of herself to make any daring moves. But with the help from Barbie, she gains confidence in her abilities and herself.
Aunt Millicent - Barbie's aunt. Millicent is the owner of her own fashion house in Paris. She is fun, strong-willed and kind. Her formal rival is Jacqueline, who tried to turn her place into a hot-dog restaurant. She is the sister of Margaret Roberts (mother of Barbie).
Teresa - Barbie's cool and confident sixteen-year-old friend with a unique perspective and point-of-view. She is very playful and even believes in aliens.
Grace - An African-American sixteen-year-old friend of barbie who is often mistaken for Nikki por some viewers. She is very practical and mature and likes to give advice.
Raquelle - Barbie's sixteen-year-old rival. She always tries to make Barbie's life miserable. She calls barbie and plays a recording of Ken's voice to make barbie think he broke up with her, causing her to journey to Paris and meet her aunt.
Jacqueline - The main antagonist of the film. Jacqueline is easy to spot with her hip and savvy personality and is on the cutting edge of fashion. As Millicent's sneaky and competitive rival designer, she doesn't want to be trendy; she wants to start the trends herself and will do anything to get ahead. But eventually, she is reformed and apologizes for her behavior.
Delphine - Jacqueline's sixteen-year-old loyal assistant and number-one fan. She usually goes along with her boss's sly schemes, but deep down she is a good person with a good heart, and would rather play fair.
The Flairies - Shim'r, Glim'r and Shyn'e are a trio of stylish Flairies, creatures with sparkle-based powers and no wings. They add sparkles to any outfit that inspires them.
Shyn'e (pink) is the sassy, fearless leader. She adds a beautiful shine effect to fashions. Despite her dainty size, she isn't afraid to stand up for herself. She has a great sense of humor that makes her a blast to be with.
Shim'r (purple) is the light-hearted, happy-go-lucky dreamer who always expects positive things. Her magical flair is adding shimmer to fashions. She is the only flairy who has no sizable role.
Glim'r (coral) once had trouble using her sparkle-magic powers, as her magic often popped before it hit the clothing item. However, in the end, her powers turn out to be transforming things, which is the main course of events for the character.
Sequin - Barbie's French poodle. Just like her owner, Sequin loves to wear anything with bling, despite looking fussy. She is also very playful and likes to have fun.
Jacques - A suave Jack Russell terrier with a great talent for fashion design. When he meets Sequin, he falls in amor with her.
Jilliana - A snooty, pampered French cat. She can't help rolling her eyes at Jacques' huge crush on Sequin. Although Jilliana is happy that Sequin inspires Jacques to design again, she dislikes all the romance.
