Ariana Grande Black Ball Love Put on Blast ... Thanks, Ed Sheeran

12/9/2014 6:00 PM PST

Ariana Grande -- Black Ball Love Put on Blast ... Thanks, Ed Sheeran

TMZ TV

Ariana Grande's deep dark secret was exposed when Ed Sheeran told the world the tiny singer with giant voice -- LOVES big black balls.

And before you assume she was talking about balloons -- remember her bf goes by the name of ... BIG Sean.