It’s no secret that most artists don’t write their own songs, but what’s even more surprising, are the singers and rappers who have written songs for other artists. Think you  know which artists asked their fellow colleague for help on a song? Click through the gallery to see if you’re right in your picks!

1. Guess Who Wrote This Hit?

Rihanna’s hit ‘Disturbia’ was written by a very close friend of hers. We highly doubt they’re friends now, but at one point, they were really close. Can you guess who wrote the hit for the singer?

2. Guess Who Wrote This Hit?

…did you guess Chris Brown?

3. Guess Who Wrote This Hit?

Britney Spears has had a tons of hit singles, but the 2004 hit ‘Slave For You’, was one of her biggest! Bet you can’t guess who wrote the song for the Louisiana native?

4. Guess Who Wrote This Hit?

…did you guess Pharrell?

5. Guess Who Wrote This Hit?

Remember the smash hit ‘Where My Girls At’? Guess what Virginia native wrote it for the trio?

6. Guess Who Wrote This Hit?

…did you guess Missy Elliot?

7. Guess Who Wrote This Hit?

UK pop artist Rita Ora released ‘RIP’ in 2012. The smash single was originally written for Rihanna and you’ll never guess who wrote it?

8. Guess Who Wrote This Hit?

…bet you didn’t know it was Drake, did you?

9. Guess Who Wrote This Hit?

Chrisette Michele’s ‘Epiphany’ was the first single from her second album. It remained on the chart’s for several weeks but can you guess which R&B star wrote the song?

10. Guess Who Wrote This Hit?

…did you guess Neyo?

11. Guess Who Wrote This Hit?

‘Respect’ is quite possibly one of Aretha Franklin’s biggest hits, but do you know who wrote it?

12. Guess Who Wrote This Hit?

…did you guess Otis Redding?

13. Guess Who Wrote This Hit?

In 1999 Dr. Dre released ‘Still Dre’, but we can almost guess you won’t believe who wrote the song with him…

14. Guess Who Wrote This Hit?

…did you guess Jay Z?

15. Guess Who Wrote This Hit?

2010 was the year of Cee-Lo Green’s ‘F**K You’, but can you guess who wrote the hit?

16. Guess Who Wrote This Hit?

…did you guess Bruno Mars?

17. Guess Who Wrote This Hit?

Remember Will Smith’s infectious dance hit, ‘Gettin’ Jiggy With It’? Can you guess who wrote it?

18. Guess Who Wrote This Hit?

…did you guess Nas? Probably not. This was a shocker to us too!

19. Guess Who Wrote This Hit?

‘You Are Not Alone’ was released in 1995 and was the second single from MJ’s ‘HIStory’ album. Can you guess who wrote the smash hit?

20. Guess Who Wrote This Hit?

…if you guess R. Kelly, you’re correct!

21. Guess Who Wrote This Hit!

In 2008 Jamie Foxx released ‘Just Like Me’, the first single off of his third album ‘Intuition’. Can you guess who wrote the hit song?

22. Guess Who Wrote This Hit?

…The Dream is responsible for lyrics to Jamie’s song.

23. Guess Who Wrote This Hit!

In 1974 Chaka Khan and Rufus released the smash hit, ‘Tell Me Something Good’. But who wrote it?

24. Guess Who Wrote This Hit!

…Stevie Wonder wrote the hit for Chaka Khan and Rufus.