In her first animated musical featuring seven original songs, Barbie comes to life in this modern re-telling of a classic tale of mistaken identity and the power of friendship. Based on the story by Mark Twain.

Mariposa becomes the Royal Ambassador of Flutterfield, and is sent to bring peace between her fairy land and their rivals, the Crystal Fairies of Shimmervale. While Mariposa doesn't make a great first impression on the King, she becomes fast friends with his shy daughter, Princess Catania. However, a misunderstanding causes Mariposa to be banished from their fairy land. As Mariposa and Zee returns to Flutterfield, they encounter a dark fairy on her way to destroy Shimmervale. Mariposa rushes back and helps Princess Catania to save their fairy land and together, the two girls prove that the best way to make a friend, is to be a friend.

Shipwrecked as a child, Rosella (Barbie) grows up on the island under the watchful eyes of her loving animal friends. The arrival of Prince Antonio leads Rosella and her furry pals to explore civilization and ultimately save the kingdom by uncovering a secret plot.

Tori is a blonde princess who is bored of living her royal life, and has dreams of becoming a popstar. Keira, on the other hand, is a brunette popstar who dreams of being a princess. When the two meet, they magically trade places, but after realising it is best to be themselves.

With new friends in a new kingdom, Barbie learns what it means to be herself when she trades places with a royal lookalike in this musical adventure.

Barbie plays Lumina, a mermaid girl with the power to change the color of pearls. Cheerful and creative, Lumina finds herself working in a mermaid salon customizing fabulous hairstyles. And when Lumina has the chance to attend the royal ball, her friends adorn her with a gown fit for a princess. At the ball, villains try to seize power over the kingdom, and Lumina finds within herself an unexpected power that proves she is much more than a hair stylist.