The Oscar-nominated actor and his wife, Amatus Sami-Karim, have been married since 2013.
Win or lose on Sunday night, something tells us Mahershala Ali will go home a happy man!
The Oscar-nominated actor took to Instagram on Friday to announce that he and his wife, Amatus Sami-Karim, had welcomed their first child together, a baby girl.
WATCH: 'Moonlight' Star Mahershala Ali Expecting First Child!
"Bari (Bar-ee) Najma Ali 2/22/17 #pisces," Ali captioned a sweet pic of his wife holding their newborn daughter.
EXCLUSIVE: 'Moonlight' Star Mahershala Ali Is Ready to Carry the Story
ET caught up with the 42-year-old actor earlier this month, where he opened up about juggling the awards season with impending fatherhood.
"You couldn't write it this way!" he joked. "I'd watch that movie and be like, 'OK, who make that up?'"
And while Ali might be flying solo at the Oscars on Sunday, where he's nominated for Best Supporting Actor for his role in Moonlight, the actor told ET that his wife has been by his side from the beginning.
"A big help is I have a supportive partner who loves me and gets it and has been a soldier throughout this," he gushed.
WATCH: Mahershala Ali Speaks Out Against Immigration Ban in Emotional SAG Awards Acceptance Speech
See more in the video below.