Ed Sheeran is known for being a bit of a joker, alongside penning some stellar hits.
But Stuart Camp, Ed's manager, has revealed the extent to which Ed's pranks go, confessing he now has "stupid clauses" in his contract purely for the singer's hilarious gain.
CHECK OUT: Songs you didn't know where written by Ed Sheeran
RADIO songs written by Ed Sheeran - slider
1 of 18'End Game' with Ed Sheeran & Future - 2017
Another collab with Taylor's good friend Ed Sheeran, who helped write the track. It was the first time Taylor had worked with Future, but it was her third collab with a rapper following 'Bad Blood' with Kendrick Lamar and 'Both of Us' with B.o.B.Listen to 'End Game' on YouTube.
2 of 18Olly Murs - 'Love Shine Down', featuring Jessie J (2010)
'Love Shine Down' featuring Jessie J was an album track on Olly's self-titled album from 2010, co-written by Ed, Olly and four other people.Hear the song on YouTube here.
3 of 18One Direction - 'Little Things' (2012)
Co-written by Ed, 'Little Things' was a Number 1 hit for the boy band One Direction in 2012. It appeared on their second album, 'Take Me Home', and Ed worked with songwriter Fiona Bevan and producer Jake Gosling to create it. Watch the music video on YouTube here.
4 of 18Taylor Swift - 'Everything Has Changed' featuring Ed Sheeran (2013)
Written by both Ed and Taylor, this single reached the Top 10 around the world in 2013.Watch the music video on YouTube here.
5 of 18One Direction - '18' (2014)
'18' was another song released by One Direction and written by Ed Sheeran. It was a promotional song released in 2014.Hear the song on YouTube here.
6 of 18Justin Bieber - 'Love Yourself' (2015)
Ed joined forces with Justin for 'Love Yourself' which was a hit in 2015 all around the world, reaching the top spot in Australia, Canada, New Zealand, and Sweden, as well as spending six weeks at Number 1 in the UK. Ed nearly kept the track for his own album, '÷', but it ended up with Justin instead.Watch the music video on YouTube here.
7 of 18Rixton - 'Hotel Ceiling' (2015)
Released in 2015, this song was the third song from Rixton's debut album. Ed worked on the song with producer Benny Blanco, and the video starred Hollywood actress Alice Eve.Watch the music video on YouTube here.
8 of 18Rudimental - 'Lay It All On Me' featuring Ed Sheeran (2015)
Co-written by drum and bass group Rudimental and Ed, this single was a hit in 2015 and appeared on the group's second album 'We The Generation' in that year. It was the second collaboration for Ed and the group, who co-wrote and also remixed 'Bloodstream' on Ed's album 'x'.Watch the music video on YouTube here.
9 of 18Major Lazer featuring Justin Bieber and Mø - 'Cold Water' (2016)
Ed was also co-writer on another Justin Bieber track, which also worked with DJ group Major Lazer, made up of Diplo, Jillionaire and Walshy Fire, with the song also featuring Danish singer and producer MØ. It reached Number 1 in the UK in 2016.Watch the lyric video on YouTube here.
10 of 18Robbie Williams - 'Pretty Woman' (2016)
'Pretty Woman' is featured on Robbie's most recent album, 'The Heavy Entertainment Show', released in 2016. Ed co-wrote the song with Robbie, teamed up with Benny Blanco again and also producer Steve Robson for the track.Hear the song on YouTube here.
11 of 18Zara Larsson - 'Don't Let Me Be Yours' (2017)
This song was co-written by Zara and Ed along with some other songwriters including Snow Patrol's Johnny McDaid. Ed also provided backing vocals on the track, which appeared on Zara's second album 'So Good', released in 2017.Watch the music video on YouTube here.
12 of 18Liam Payne - 'Strip That Down', featuring Quavo (2017)
The debut solo single from former One Directioner Liam Payne was co-written by Ed, Liam and Quavo who also features on the track. Ed also provided uncredited backing vocals for the song, which reached Number 3 in the UK charts.Watch the music video on YouTube here.
13 of 18Rita Ora - 'Your Song' (2017)
Rita Ora made her comeback in 2017 with a song penned by the fantastic Ed, which also served as the lead single from her second album, 'Phoenix, released in 2018.Watch the music video on YouTube here.
14 of 18Anne-Marie - '2002'
Anne-Marie's most popular song as it stands is '2002', which she co-wrote with Ed and who encouraged her to release it as a single. It peaked at Number 3 in the UK charts.Watch the music video on YouTube here.
15 of 18Olly Murs - 'Moves' featuring Snoop Dogg (2018)
Ed and Olly teamed up once again in 2018 for Olly's comeback single, 'Moves', which also featured vocals from Snoop Dogg. The track featured on the soundtrack for Johnny English Strikes Again.Watch the music video on YouTube here.
16 of 18Jess Glynne - 'Thursday' (2018)
Ed helped Jess Glynne pen this song, which is all about how people shouldn't be forced to hide behind a mask and should feel free to express themselves. Jess has stated that it's one of her "favourites", and that it's "close to her heart".Watch the music video on YouTube here.
17 of 18Little Mix - 'Woman Like Me' featuring Nicki Minaj (2018)
Little Mix's feminist powerhouse track featuring Nicki Minaj was actually co-written by Ed himself along with Jess Glynne for her own album, 'Always In Between', but said that it "didn't fit" with the other songs and gave it to Little Mix instead. Watch the music video on YouTube here.
18 of 18Westlife - 'Hello My Love' (2019)
Ed Sheeran wrote the comeback single for Irish band Westlife, 'Hello My Love'. The song became a massive hit with Westlife fans.Watch the music video on YouTube here.
Speaking on the BBC Introducing podcast, Stuart confessed he dreads renegotating his contract, as it makes him "nervous" knowing Ed's mischevious ways.
He said, "Every year he puts a stupid clause in it that I have to proceed with. It’s the honest to God truth."
Announcing his latest contractual agreement - you may think he's making this up - he revealed that Ed makes him carry around a picture of Fred and George Weasley from the Harry Potter movies.
NOW WATCH: BTS x Ed Sheeran collab? Ed Sheeran answers the Internet's rhetorical questions
He said, "I have to carry a picture of them in my wallet at all times. I have a little laminated card of those lovely twins.
"I have to have that with me at all times. It’s in my management contract. Stupid things like that."
Stuart, who has worked with the Shape Of You singer since 2011, went on to say how Ed keeps track of Stuart's whereabouts, and if the manager does any press interviews or gets pictured, Ed will always ask where the pictures of the twins are.
"If I'm in [a magazine] and there isn't a picture of it, he rings me and says, 'You're in breach'."
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This news comes after Stuart's wife Liberty sadly shared the news that Ed's cat, Graham, had been hit by a car and unfortunately passed away.
In the post she wrote, "Our lovely little bud Baby Ba Boo aka Graham the Kitten passed away last night after being hit by a car.
"We are absolutely heartbroken. He was such a dude. Funny and clever and best mates with a massive German Shepherd. We are going miss you so much. Thanks for all the fun. #Babybaboo."
Ed rescued Graham when he was a kitten, and he was being looked after by Ed's manager and his wife, while he was away on tour.