Most Unlikely Musical Collaborations that Actually Happened

 Which collaboration was the most unexpected? If you know more artists that collaborated that you thought were unexpected, you may add them here.

The Top Ten

1 Rihanna, Kanye West and Paul McCartney (FourFiveSeconds)

It was just okay I didn't find it to be that unlikely because I know that kanye and paul had planned on making stuff together so I guess it was expected - AlphaQ

Very disappointing, Mr Fab McCartney - Metal_Treasure

Paul, I— - Misfire

2 Metallica And Ja Rule (We Did It Again)

I never thought Metallica would collaborate with a rapper.

Yes, this was surprising - styLIShT

Surprising AND awful, I have to add. Metallica went from thrash to trash... it's so painful because I am a Metallica fan. - Metal_Treasure

3 Nelly and Tim McGraw (Over and Over)

How was this not on here? - DaWyteNight

4 The Jacksons and Mick Jagger (State of Shock)
5 Three 6 Mafia and Ke$ha (Slow Motion)
6 Lil Wayne and Weezer (Can't Stop Partying)

What?!? I can't believe it - Metal_Treasure

Oh yeah, Weezer and Weezy in a song together. It's as bad as it sounds. - cjWriter1997

What?!? - 150040

7 Sting and Shaggy (Don’t Make Me Wait)
8 Bono and Frank Sinatra (I've Got You Under My Skin)
9 Slayer and Atari Teenage Riot (No Remorse (I Wanna Die))

It's as bad as it sounds - I can use part of the title to describe it: you may wanna die after hearing the song, esp. if you are a metalhead. - Metal_Treasure

10 Aerosmith and Run - D.M.C. (Walk This Way)

This was better than I expected. I liked it. - Metal_Treasure

The Newcomers

? Nick Cave & the Bad Seeds and Kylie Minogue (Where the Wild Roses Grow)

Amazing song as well. - Powell

? Young Thug and Elton John (High)

Eh, I didn't really think it was a good match honestly, Elton john only had the chorus and young thug sounded boring here - AlphaQ

The Contenders

11 Nicole Scherzinger and Sting (Power's Out)

Nicole who asked you to collab with trash like Sting? I actually like Nicole scherzinger but this was disappointing. - AlphaQ

Lol how is Sting trash though? I don't even listen to him like that but he isn't trash. He was in the Police. - DaWyteNight

This was...disappointing to say the least, I mean for one there was autotune on Sting's voice but what can you expect from a song written by The-Dream? He autotunes everybody even if they don't need it. - DaWyteNight

12 Mariah Carey and Ol Dirty Bastard (Fantasy)
13 Michael Jackson and Eddie Murphy (Whatzupwitu)

I didn't even know Eddie Murphy was a singer until I saw this. - TheFourthWorld

14 Fall Out Boy and Elton John (Save Rock and Roll)
15 Nickelback and Flo Rida (Got Me Runnin' 'Round)

And it was predictably bad... - AlphaQ

16 Taylor Swift and Kendrick Lamar (Bad Blood)
17 Metallica and Lou Reed (Lulu)

That's a whole album and not only one song, and it was bad... - Metal_Treasure

18 David Bowie and Bing Crosby (The Little Drummer Boy)
19 Kendrick Lamar and SZA (All the Stars)

Eh, they both have some similarity so I don't think it was that unlikely. - AlphaQ

Not that unlikely compared to Kendrick and Rihanna. - DaWyteNight

20 Katy Perry and Lil Yachty (Chained to the Rhythm Remix)

The song already sucked, don't make it more horrid! - AlphaQ

21 Kendrick Lamar and Rihanna (Loyalty)

Worst Kendrick song - DaWyteNight

22 Lil Wyte and Josey Scott (Crazy)

Who knew Lil Wyte could make a good rock song, most rappers can't do that (Lil Wayne, I'm looking at you!) - DaWyteNight

23 Wale, Rick Ross and Lupe Fiasco (Poor Decisions)
24 Michael Bublé and Reese Witherspoon (Something Stupid)

I did not even know that Reese Witherspoon was a singer. - Powell

25 Don't Call Me Angel (Ariana Grande, Miley Cyrus and Lana del Rey)
26 Camila Cabello and Young Thug (Havana)

This was very unlikely, considering that they are both make very, very different styles of music, and the surprising thing was that it turned out to be good. - AlphaQ

27 Celine Dion and R. Kelly (I'm Your Angel)
28 Calvin Harris, Katy Perry, Pharrell Williams, and Big Sean (Feels)

What makes this very unlikely is because Katy Perry and Calvin Harris had a feud. I'm glad they decided to stop it and collaborate with this song. - TheFourthWorld

29 Death Grips and Les Claypool (More Than The Fairy)
30 Dirtyphonics and Sullivan King (Vantablack)

As different as chalk and cheese, but they really complement each other. - PositronWildhawk

31 deadmau5 and Armin van Buuren (Let Them Know)
32 Jay Rock, Kendrick Lamar, and Future and James Blake (King's Dead)

I was not expecting an amazing post-dubstep artist like James Blake to be on this modern rap track that became a meme - 445956

I mean its really future's fault this song sucks. Jay Rock and Kendrick were both pretty strong on this song. - 4our2wen0ty

33 Henry Rollins with Chuck D (Rise Above)
34 Carrie Underwood and Ludacris (The Champion)
35 Florida Georgia Line and Nelly (Cruise)
36 Kanye West and Adam Levine (Heard 'Em Say)
37 Skrillex and The Doors (Breakn A Sweat)
38 Billy Joe Armstrong and Norah Jones (Silver Haired Daddy of Mine)

It has to be heard to be believed. They have recorded album together (Foreverly) Listen to it; it's a truly stunning vocal chill-out. Seriously!

39 Take What You Want (Post Malone, Travis Scott and Ozzy Osbourne)
40 Kyle Lai-Fatt and Beyoncé (Centuries)
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