From Justin Bieber's infamous Carpool Karaoke to Kevin Hart's Lip Sync Battle, some of the year's most memorable television moments have been included in YouTube's top ten trending videos of 2015. The list has been compiled by YouTube based on views, shares, comments and likes – with some videos clocking up as many as 95 million views worldwide.
Scroll through the list to see what made the top spot in the UK – how many of these videos have you seen?
10. Karate Kid Jesse on Britain's Got Talent
Sweet schoolgirl Jesse, nine, wowed the Britain's Got Talent judges with an impressive karate routine that saw her perform backflips and karate kicks while wielding a sword. The video has received over 30 million views so far.
3. Star Wars: The Force Awakens official teaser 2
As the world awaits the release of Star Wars: The Force Awakens, this second official teaser whet the appetite of fans who couldn't wait to see the highly-anticipated sequel. The two-minute teaser has been watched 71 million times.
2. Justin Bieber on Carpool Karaoke
James Corden has been joined by stars including Stevie Wonder and Mariah Carey in his Carpool Karaoke segment, but none quite as popular as Justin Bieber. The Baby singer joined James to sing renditions of his biggest hits, with over 43 million viewers tuning in to date.
1. Calum Scott on Britain's Got Talent
Topping the list in the UK is Britain's Got Talent contestant Calum Scott, whose rendition of Robyn's Dancing On My Own prompted Simon Cowell to give him a place in the live shows as his Golden Buzzer act. His first audition has since been viewed close to 39 million times.