Pop star Madonna will be lending her voice to the cast of the animated film Arthur, directed by Luc Besson.

The film tells the story of ten - year - old Arthur, who, while trying to save his grandfather's house from developers, goes on a treasure hunt in the land of the Minimoys, a bunch of tiny people living in coexistence with nature, informs The Malaysia Star.

According to ABC News, "Arthur" is adapted from a series of children's books written by Besson, who also wrote the screenplay for the movie.

Madonna was said to be voicing the part of Princess Selenia, a character who travels with Arthur to a mysterious forbidden city where an evil being dwells.

The 80 million dollars project which is slated for release in 2006 follows the travails of 10 - year - old Arthur who, in a bid to save his grandfather's house from developers, goes in search of treasure hidden in the land of the Minimoys, a tiny people living in harmony with nature.

Madonna will be lending her voice to the toon character Princess Selenia who travels with Arthur to a mysterious forbidden city where an evil being dwells.

"The recording is being done at the moment," a source was quoted by ratethemusic, as saying, informs New Kerala.