He's getting the shots in while he still can!
John Mayer hosted his last night of The Late Late Show on Friday night, and during his monologue, he took the opportunity to jab his ex lover Taylor Swift!
In a major way!
[ Related: Was Katy Perry Shading Taylor Swift With This Subtle Move At The Super Bowl? ]
Curiously, Katy Perry also started sneakily shading the country cutie recently too, around the same time Katy and John rekindled their romance.
Ch-ch-check out the clip above to hear the Grammys-related joke for yourself.
Tags: dating, jab, john mayer, john mayer host, katy perry, shade, taylor swift, the late late show