Photos of her in the island of Lamu along Safari Doctors founder and renown humanitarian, Umra Omar, surfaced on social media platforms.
In one photo, the two were seen enjoying a scenic boat ride at the Kenyan coast.
The Hollywood star had been posting several teasers, for a six-part series on the Serengeti National Park in Tanzania, that is set to air on the Discovery Channel.
Lupita has formed the habit of keeping her visits back home secret, preferring to just spend quality time with close family and friends.
Lupita and Umra were also pictured in front of an artistically sculptured Mediterranean-themed doors, smiling from ear to ear.
“Still rolling in the deep, can I have another banana please,” Umra posted.
It is not yet clear whether Lupita was in Kenya for the holidays, or just carrying out one of her countless philanthropic projects.
In December last year, the Black Panther star spent over a week at her ancestral home in Ratta village, Kisumu for the burial of her grandmother Ms Dorcas Owino