Spot the latest trend in pop: English-speaking bands singing on a Spanish to appeal to both markets.

You can thank Justin Bieber for that one, since his turn on the remix of 'Despacito' contributed hugely to the song's success, making it the most-streamed song of all time.

Yet although Biebs admitted that he didn't know the words to the song when asked to sing it live in concert, let's hope Little Mix fare better.

The English girl group feature on a remix of Latin American boyband CNCO's new song 'Reggaeton Lento', which has been reworked into a duet.

Watch the video below: