Sheeran and Corden also discussed why the pop star no longer carries a mobile phone and competed to see which of them could eat more of Sheeran's favorite British snack.
"I actually don't have a phone anymore", the United Kingdom native confessed. "He was like "Oh bro" and then just carried on". "So getting rid of that, going travelling, getting some perspective, making an album that I love, everything's great".
Oh yeah, and they also sung his hits, because that's kind of the point.
Justin Beiber and Sheeran were involved in the most weird incident. "I couldn't disagree more".
'I was in Tokyo the other day and Bieber was there, and it was just him.
"It was just him, no security or anything, and he came to this really filthy dive bar". We ended up at this golf course and he put a golf ball in his mouth and said, 'Go on!More news: Merkel says expects Britain to remain a partner post-Brexit
More news: SEVERE THUNDERSTORM WATCH issued for southwest Missouri
More news: Politicians give verdict on Corbyn-May TV interviews
Earlier this year, Sheeran had said he wanted to rap rather than sing during his Carpool Karaoke episode.
'I had this driving wedge, and cracked him across the face.
However, the Canadian heartthrob reacted "really cool" after he received the massive blow, much to Ed's surprise.
After a short talk about the downside of fame (which he also talked to Forbes about), Sheeran gave an incredible rendition of Justin Bieber's 'Love Yourself' before switching to One Direction's 'What Makes You Beautiful'.
Sheeran brought his favourite guitar to the ride. I was quite an unfortunate looking kid.