Xuxa and the Lost City Treasure

Xuxa e o Tesouro da Cidade Perdida is a 2004 Brazilian fantasy adventure children's film, written by Flávio de Souza, directed by Moacyr Góes, produced by Diler Trindade and distributed by Warner Bros. Pictures and Globo Filmes. Starring Xuxa Meneghel, Marcos Pasquim, Juliana Knust, Paulo Vilhena, Sérgio Hondjakoff, Natália Lage, Zezé Motta, Bruna Marquezine, Milton Gonçalves and Sérgio Malheiros. Xuxa lives a biologist in a town near the Amazon rainforest. Alongside the brothers Riacho and Manhã, she seeks the lost city of Igdrasil, which according to legend was founded by descendants of Vikings who crossed the Atlantic Ocean and ventured down the Amazon River.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.