The 43-year-old actor gave a moving speech in honor of his teachers, co-stars and family.
Mahershala Ali is an Oscar winner!
The 43-year-old actor won Best Supporting Actor at Sunday's Academy Awards for his performance in Moonlight, making him the first Muslim actor to win an Oscar.
EXCLUSIVE: Mahershala Ali Praises Wife After Daughter's Birth
"I just want to thank my wife, who was in her third trimester during award season," Ali said during his moving acceptance speech.
"We just had a daughter four days ago," he continued. "So, I just want to thank her for being such a soldier through this process and help and really carrying me through it all."
Following his moving speech, Ali's co-stars and peers took to social media to congratulate the actor.
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Ali's Moonlight co-stars spoke to ET about what it meant to be at Hollywood's biggest night. Watch ET's exclusive interview below.