What is barbie la princesa y la plebeya?

Barbie La Princesa y La Plebeya (Barbie as the Princess and the Pauper) is an animated musical movie released in 2004. It is the fifth film in the Barbie film series and is based on the classic novel "The Prince and the Pauper" by Mark Twain.

The story follows two girls, Anneliese and Erika, who look identical but come from different backgrounds. Anneliese is a princess who lives a life of luxury, while Erika is a commoner who works in a factory to support herself. The girls meet by chance and decide to switch places to experience life in each other's shoes. They face many challenges but ultimately work together to expose a villainous plot to overthrow the kingdom.

The movie features several original songs and has a strong message of friendship, courage, and standing up for what is right. It was well-received by audiences and has since become a classic among Barbie fans.