Farrah Abraham -- In Your Face Nicki ... And You Too Vanderpump

Farrah Abraham is a lot of things, but we gotta hand it to her ... she's gotten really entertaining.

A photog got Farrah and her daughter arriving at LAX Friday, and the OG teen mom is not letting her feud with Nicki Minaj go ... throwing so much shade it may have affected takeoffs and landings.

Farrah's 6-year-old daughter got off message, declaring her love for her mom's nemesis.