It’s been a huge year for TV host James Corden cemented by the fact one of his “carpool karaoke” segments is the year’s most-watched video.

YouTube has released the list of its biggest viral hits and sitting at its peak is the version featuring Adele.

The video has racked up an admirable 138 million views since the singer joined Corden back in January.

James Corden's Carpool Karaoke best moments Show all 12 1 /12 James Corden's Carpool Karaoke best moments James Corden's Carpool Karaoke best moments Corden texts Leonardo DiCaprio from J Lo's phone ...and he replies! 'Hey baby,' Corden writes. 'I'm kind of feeling like I need to cut loose. Any suggestions, let me know. J Lo (you know, from the block).' Leo's reply? 'You mean tonight, boo boo? Club wise?' YouTube James Corden's Carpool Karaoke best moments Sia explains why she wears her face wig 'I don't wear this unless there's cameras around,' she said. 'I only wear this just to try and maintain a modicum of privacy.' Fair dos. James Corden's Carpool Karaoke best moments Elton John sings 'Circle of Life' as Corden's mind is blown Who wouldn't love a car journey with the legend singing the likes of 'Your Song'? James Corden's Carpool Karaoke best moments Chris Martin reveals Coldplay used to be called Starfish Doesn't quite have the same ring to it does it? This one also featured a tribute to David Bowie as the pair sung along to 'Heroes' James Corden's Carpool Karaoke best moments Corden drives Justin Bieber to the Grammys Where he went on to win his first gong from the awards! Check out those tuxedos. Looking suave guys. James Corden's Carpool Karaoke best moments Adele showcases her love for the Spice Girls With a top rate rendition of 'Wannabe' no less. She also promised not to name yet another album after her age. James Corden's Carpool Karaoke best moments One Direction succumb to their boyband status and dress in denim Asking One Direction to perform his favourite album track, he fills them in on a choreographed dance routine and provides them with matching denim jackets. James Corden's Carpool Karaoke best moments Stevie Wonder forms a supergroup with James Corden Namely The Wonder Cats. Telling Corden they're going to write new lyrics to his songs, the two do just that with a rendition of Wonder's classic Signed Sealed Delivered. James Corden's Carpool Karaoke best moments Jennifer Hudson sings to a drive-through takeaway employee Pulling into a drive-through, Hudson belts out hers and Corden's takeaway to the awe of the employee on the other side of the intercom. James Corden's Carpool Karaoke best moments Iggy Azalea goes wedding dress shopping Ahead of her wedding, Corden takes it upon himself to stop off at a wedding dress shop to sample the best there is on offer - and naturally gets involved himself. James Corden's Carpool Karaoke best moments Mariah Carey shows off her accents The singing icon uses the opportunity to sample her British and Southern American accents to the delight of Corden. James Corden's Carpool Karaoke best moments Jason Derulo gives a lesson in swag Rapper Jason Derulo helps James Corden become "the swaggiest dude in the club."

The top 10 list is as follows:

1. Adele Carpool Karaoke – “The Late Late Show with James Corden”

2. Pen-Pineapple-Apple-Pen – Piko-Taro

3. What’s Inside a Rattlesnake Rattle? – What’s Inside

4. The Switch ft. Cristiano Ronaldo, Harry Kane, Anthony Martial & More – Nike Football

5. Grace VanderWaal: 12-Year-Old Ukulele Player Gets Golden Buzzer – NBC’s “America’s Got Talent”

6. Water Bottle Flip Edition – Dude Perfect

7. Channing Tatum & Beyonce’s “Run The World (Girls)” vs. Jenna Dewan-Tatum’s “Pony” – Spike’s “Lip Sync Battle”

8. Donald Trump: “Last Week Tonight With John Oliver” – HBO

9. The $21,000 First-Class Airplane Seat – Casey Neistat

10. Brothers Convince Little Sister of Zombie Apocalypse – Cabot Phillips

Such is the success of Carpool Karaoke that it’s to get its own spin-off show on Apple Music. The latest artist to feature on Corden’s Late Late Show is Madonna.

Elsewhere, YouTube released its top ten most viewed music videos of the year, with US collective Fifth Harmony racking up a staggering 1.7 billion views for their song “Work from Home” featuring Ty Dolla $ign.

2. Calvin Harris, “This Is What You Came For” ft. Rihanna

3. Nicky Jam, “Hasta el Amanecer”

4. The Chainsmokers, “Closer” (Lyric) ft. Halsey

5. Rihanna, “Work” ft. Drake

6. Mike Posner, “I Took A Pill In Ibiza (Seeb Remix)”

7. Sia, “Cheap Thrills” (Lyric Video) ft. Sean Paul

8. Zayn, “Pillowtalk”

9. Coldplay, “Hymn For The Weekend”