Ahead of the March 4 premiere, she posted a snap on Instagram showing her daughter, Princess Lilibet ... zero in on the game itself because it's not your typical toy store board game edition.

Meghan Markle has shared a rare photo of her daughter, Princess Lilibet, playing a board game with her "auntie" Serena Williams inside the Sussexes' $14.65 million Montecito, CA, mansion.

Princess offers a MedallionClass program, which gives guests the freedom to unlock their rooms, enjoy touchless embarkation, find things to do on board ... can perfect your game on Princess ...