"GQ" magazine put out a list of the worst rappers of all time . . . and INSANE CLOWN POSSE took the top spot. But the list doesn't just focus on rappers. It goes after any artist who's EVER rapped on an album . . .
For example, Prince is number 12 for his lame rap verses on songs like "Days of Wild", and Madonna is number 15 for 2003's "American Life". Here are the Top 10.
1. Insane Clown Posse
2. Reality star Spencer Pratt for his song, "I'm a Celebrity"
3. Chet Haze . . . who you know better as Tom Hanks' son Chester.
4. Vanilla Ice
5. Kevin Federline
6. Puff Daddy
7. MC Hammer
8. Every rapper that's ever come out of England
10. The two guys in the Black Eyed Peas who AREN'T Will.i.am.
Check out the full top 25 here.