The most-watched music videos of 2016

Music videos account for nine of the 10 most-watched videos online, and their popularity shows no sign of slowing down.

Video streaming site Vevo says its users watched more than 200 billion videos this year - and the UK's top 10 most-watched artists include Adele, Zayn and Justin Bieber.

But who was number one? Music reporter Mark Savage has the countdown.