The Academy Awards ceremony returned this year to its regular home at the Dolby Theatre in Los Angeles.
Smith won the prize for his role as Richard Williams, father of tennis champions Venus and Serena Williams
A biopic that outlined Williams’ role in the sisters’ stellar success.
I look like the crazy father, just like they said about Richard Williams. But love will make you do crazy things.
Will Smith walked to the stage and slapped Chris Rock after he made a joke about his wife.
In his speech, he said, "I'm gonna apologise to the Academy
It is not known if it was all a part of an act or Will was really upset.
The actor broke down in tears and thanked Venus and Serena Williams for trusting him with their story.
As the punch is going down in the history of Oscars as one of the wildest moments after it went viral on social media within seconds
Will Smith apologised to the Academy for his behaviour during his winning speech.