Diddy Brings His MOTHER . . . And Girlfriend CASSIE To An EVENT . . .And Mama Combs DOESN't LOOK IMPRESSED!!!

Diddy's two ladies were out together last night, as the Combs family was honored by the Boys & Girls Harbor Salute To Achievement Event in NYC. It might be us reading too much into it, but are you sensing some not-so-subtle shade from Mama Combs towards Cassie??

We can relate. They break up and make up so much, even we have trouble keeping up. During the last bout this past August, the cops were called and none of thought they'd be getting back together after that.