Katherine Jenkins has parted company with Warner Music after five years and three albums. Parts of the British media have claimed that the popular singer and crossover artist had effectively been “dumped”, but Jenkins has been quick to jump on social media to point out that she had merely come to the end of her three-album agreement.

The 32-year-old mezzo signed a £5.8 million contract with Warner back in 2008, widely reported to be the biggest classical recording deal in history. But in a series of online messages she hit back at detractors and suggestions that Warners had dropped her as a result of falling sales and her expensive “diva demands”. Those demands, it was maintained, led to executives at Warners  deciding not to renew her contract partly because of the costs of styling, hair and make-up.

The negative stories came as a result of a “music industry source” who allegedly told Britain’s tabloid Daily Mail that: “Some estimates say she has lost the record company over £2 million. Her record sales are not doing well. £1,500-a-day on hair and make-up and styling is not an outrageous amount to spend on an artist, but only if they are selling lots of...