The best of Carpool Karaoke so far...

When James Corden introduced the sketch Carpool Karaoke for his U.S TV show, no-one expected it would take off just as much as they did. Rumour has it, it took months at the beginning to get celebrities to actually agree to appear in the clip. Now, the biggest stars are queuing up and next on the list is the First Lady Michelle Obama herself!

To celebrate the success, we've picked our 5 firm favourites from the Carpool Karaoke so far:

1. Adele

Obviously, she's our number one. She's also the most viewed Carpool Karaoke to date, so it would have been rude not to give her the top slot. From expert slow-song singing to unexpected rapping, Adele is our karaoke Queen. 

2. One Direction

Our favourite lads all in one car, wearing matching denim jackets as Corden introduces a rap over their hit song's bridge. What more could you want from a ride to work? 

3. Justin Bieber

We would never have known the loveable superstar could do a Rubix cube in under 2 minutes...if Corden hadn't bagged the Bieber for Carpool. We're so thankful he did. 

4. Gwen Stefani

Gwen Stefani surprises us all with her squad - none other than George Clooney and Julia Roberts. Having these huge celebrities all in one car is enough to make it into our top 5.

5. Stevie Wonder

With the calling of Corden's partner and singing love songs down the phone...we're left full of love for Stevie Wonder's Carpool session.