The Disney animated movie, "Charming," is in the news lately but it's not something the studio wants as the tabloids have been feasting on the alleged feud between its stars, Demi Lovato and Avril Lavigne.

In the new report from Life & Style magazine, as shared by Celebrity Dirty Laundry, Demi Lovato is allegedly acting like a diva on the set of the Disney animated movie, causing a feud with Avril Lavigne.

The fact is Demi Lovato is named the executive producer of "Charming," and Chad Kroeger's ex doesn't like it one bit about Wilmer Valderrama's girlfriend ordering her around.

"It has been a nightmare. They are both so strong willed and outspoken that what starts off as a suggestion from either Demi or Avril turns into a full blown argument," an alleged source told the tabloid.

"Demi is an executive producer on the score for the film, and she is the one who recommended Avril for the role of Snow White. But now they can't stand each other, there is a lot of eye-rolling and name calling," Life & Style reported of the alleged feud between Avril Lavigne and Demi Lovato.

Back in February, Demi Lovato was reported to have signed on as voice cast for Leonor in the Disney animated movie, "Charming."

Then in August, The Hollywood Reporter, reported that Avril Lavigne and Ashley Tisdale are also joining the cast.

"Lavigne will voice the role of Snow White, Tisdale will voice Cinderella and Gloria Tang Tsz-kei, known to her Chinese fans as G.E.M., will bring her acting talents to the role of Sleeping Beauty," the article said. "The trio join Demi Lovato, who was earlier cast to voice the female lead, Lenore, and executive produce the film's music score."

To date, Demi Lovato and Avril Lavigne have yet to issue a statement denying or confirming their reported feud on the set of the Disney animated movie, "Charming."