Who is Will Smith? Why did he slapped Cris Rock?

Will Smith is an American Hollywood artist, he is an actor and he was present in Oscar award ceremony 2022. There was another artist Cris Rock, who was performing stand-up comedy act, made a joke on Will Smith's wife, who has  condition known as alophesia. 

He made a joke that very soon we will be seeing Jada Smith, wif of Will Smith in movie G.I Jane. 

This joke made Will Smith angry and he slapped Criss Rock. Will Smith also abused Cris Rock, keep my wife out of this

G.I Jane,  the main character is bald and that was a joke which maked Will Smith angry.

Soon after this incident Will Smith was awarded with Oscar, and later Will Smith responded and apologized on his Instagram and other social media.