Dua Lipa, Sir Elton John, Sir Ian McKellen and Florence Welch are among a list of stars calling on the prime minister to update copyright laws in a way that protects them from artificial intelligence.
A letter signed by more than 400 British musicians, writers and artists, addressed to Sir Keir Starmer, says failing to give that protection would mean them "giving away" their work to tech firms.
Also at risk, they write, is "the UK's position as a creative powerhouse".
They want the PM to back an amendment to the Data (Use and Access) Bill that would require developers to be transparent with copyright owners about using their material to train AI models.
A government spokesperson said: "We want our creative industries and AI companies to flourish, which is why we're consulting on a package of measures that we hope will work for both sectors.
"We're clear that no changes will be considered unless we are completely satisfied they work for creators," they added.
Other signatories include author Kazuo Ishiguro, playwright David Hare, singers Kate Bush and Robbie Williams, as well as Coldplay, Tom Stoppard and Richard Curtis.
Sir Paul McCartney, who told the BBC in January he was concerned about AI ripping off artists, has also signed the letter.
"We are wealth creators, we reflect and promote the national stories, we are the innovators of the future, and AI needs us as much as it needs energy and computer skills," it states.
They say their concerns can be met if the government backs an amendment proposed by Baroness Beeban Kidron ahead of a key vote in the House of Lords on Monday.
Baroness Kidron's amendment, it says, would "allow both AI developers and creators to develop licensing regimes that will allow for human-created content well into the future."
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Not everyone agrees with the artists' approach.
Julia Willemyns, co-founder of the Centre for British Progress think tank, said such proposals could hamper the UK and its bid for growth.
The measures would "do nothing to stop foreign firms from using content from the British creative industries," she told the BBC.
"A restrictive copyright regime would offshore AI development, chill domestic innovation, and directly harm the UK economy," she said.
However, the letter comes amid mounting concern from artists over the inclusion of their works, and material protected by copyright, in the data used to develop generative AI systems.
These tools, which can produce new content in response to simple text prompts, have become increasingly popular and available to consumers.
But their capabilities have been accompanied by concerns and criticism over their data use and energy demand.
· What is AI, how does it work and what are the concerns about it?
In February, artists including Annie Lennox and Damon Albarn released a silent album to protest about the government's proposed changes to copyright law.
The government carried out a consultation around its proposal to allow developers to be able to use creators' content on the internet to help develop their models, unless the rights holders elect to "opt out".
According to The Guardian, ministers were reconsidering the proposal following creator backlash.
Mr Ishiguro pointed the BBC to an earlier statement in which he wrote, "why is it just and fair - why is it sensible - to alter our time-honoured copyright laws to advantage mammoth corporations at the expense of individual writers, musicians, film-makers and artists?"
The Nobel Prize-winning author added that since then the only limited advance was that it now appeared the government had accepted the opt-out proposals were not likely to be workable, He thought a new consultation to find a fairer scheme was possible, though it remained to be seen how meaningful any consultation would be.
"It's essential that they get this right," he wrote.
MPs recently rejected a separate amendment tabled by Baroness Kidron that aimed to make AI developers accountable to UK copyright law.
Now, she says transparency obligations for tech firms under the new proposed amendment could support the development of licensing agreements between creators and companies.
"The UK is in a unique position to take its place as a global player in the international AI supply chain, but to grasp that opportunity requires the transparency provided for in my amendments, which are essential to create a vibrant licencing market," Baroness Kidron said.
In their statement the government said: "It's vital we take the time to work through the range of responses to our consultation, but equally important that we put in the groundwork now as we consider the next steps.
"That is why we have committed to publishing a report and economic impact assessment – exploring the broad range of issues and options on all sides of the debate."
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