Aaron Rodgers' wedding was apparently so private, not even David Bakhtiari -- one of his best pals -- got the invite ... and the former Packers star is clearly not thrilled about it.
Bakhtiari -- who blocked for Rodgers in Green Bay for a decade -- revealed on Monday he didn't personally get to see Aaron tie the knot this year ... which obviously ticked him off.
The former left tackle shared a video from Jordan Love and Ronika Stone's weekend wedding .