Meghan Markle is going full Karate Kid ahead of her Royal nuptials -- because she's hired Michael Jackson's former bodyguard to learn how to defend herself ... TMZ has learend.
Our Royal sources tell us Meghan has hired celeb security adviser and trainer Matt Fiddes to teach her martial arts and self-defense -- as well as to get her in shape ahead of her wedding with Prince Harry in May.
Meghan just landed back in L.A. Wednesday to spend time with her mom ahead of the holidays -- and we're told Matt booked a last-minute flight to Hollywood this week, so the training could begin STAT.