Taylor Swift's Eras Tour blockbuster has become the most profitable concert film in history - a week before it hits cinemas. 

Its distributor AMC said global advance ticket sales have topped $100m (£82m), overtaking the record set by Justin Bieber's 2011 film Never Say Never which made $99m (£81m).

The film, which was recorded during the tour's US leg, is set to be released in more than 100 countries next Friday 13 October.

"Audience demand for The Eras Tour concert film has been incredible from the moment it was first announced," AMC said in a statement.

The US cinema chain previously said the film had beaten its record for the highest ticket-sales revenue during a single day in its 103-year history.

Swift's blockbuster has also broken the UK record for the most tickets sold during the presale opening week for a music event.

The title was previously held by BTS' Permission To Dance film, which was released last year.

Tim Richards, founder and chief executive of Vue International, said: "In the last week since tickets were released, Taylor Swift's Eras tour has once again broken records, smashing our previous UK presale admit figures as our biggest ever opening week by ticket presales for a music concert event.

"The huge impact of concert films is clear, with Beyonce now following suit with a concert film of her own, following the release of the trailer for her Renaissance World Tour concert movie - it's an exciting time to be a fan of music and cinema."

Swift's tour is also on track to become the biggest in history, with 146 dates across five continents.

It started in March of this year and will run until November 2024.

She will play in London, Cardiff, Edinburgh and Liverpool next summer.

Fellow pop star Beyonce's Renaissance tour will be released in North American cinemas on 1 December.