Princess Lumina /is the main character in Barbie: The Pearl Princess. She is played sa pamamagitan ng Barbie and she is a mermaid who works as a hair stylist. She has the power to change the color of the pearls, and an even stronger power that she is unaware of. story/Lumina works in a mermaid salon, customizing hairstyles. She gets the chance to attend the royal ball, so her mga kaibigan give her a toga fit for a princess. At the ball, villains try to take over the kingdom, and Lumina finds out she is much madami than a hair stylist after she finds an unexpected power within herself and transforms into her princess self. Physical Appearance/Lumina has long blonde hair with kulay-rosas highlights. In her 'princess attire', she wears a kuwintas made sa pamamagitan ng three rows of multicolor pearls: yellow, violet, kulay-rosas and white, with a bigger white pearl in the middle of the lower row. Her bra is kulay-rosas and strapless with white pearls on both edges and two chains made of the same type of pearls in the lower part. In the middle of her bra there are white pearls that form a bulaklak with six petals. Her tail, from the waist to the fin, goes from kulay-rosas to violet, then kahel and kulay-lila again. Her fin is big and bright pink; the whole tails is decorated with yellow, violet, white and kulay-rosas pearls forming chains in the upper part that are all connected sa pamamagitan ng a bulaklak made of white pearls with a big kulay-lila one in the middle. Her crown consists in a big kulay-rosas seashell in the middle with kulay-rosas decorations on the two sides and pearls above it; it also has kulay-rosas pearls under the seashell. Personality/The first plot for the movie says she's "cheerful and creative". Trivia/This is the fourth Barbie pelikula featuring Barbie as a mermaid, the first being Fairytopia: Mermaidia, segundo being In A Mermaid Tale, and third being In A Mermaid Tale 2 She's the only authentic mermaid played sa pamamagitan ng Barbie, Elina being originally a fairy and Merliah being half human. She is the fifth protagonist that has blonde hair with kulay-rosas highlights. The first is Mariposa from Barbie: Mariposa and her paruparo Fairy Friends; the segundo is Thumbelina from Barbie Presents Thumbelina; the third is Merliah Summers in Barbie in A Mermaid Tale and its sequel; and the fourth is Barbie herself when she transforms into a fairy in Barbie: A Fairy Secret. In Barbie Fairytopia: Magic of the bahaghari there is a moon fairy named Lumina, however, it is pronounced differently. Her hairstyle in the teaser trailer are similar to Annika's.