The actor performed his iconic impression of the heavyweight champ as he shared touching memories at Ali's funeral.
Smith opened up to ET about the 'outpouring of love' at Ali's memorial service Friday, just moments before the late boxer was laid to rest.
Will Smith talks to ET at Muhammad Ali's funeral.
Thousands gather in Louisville, Kentucky, to remember the late legend.
Ali tells ET, "It's time to say goodbye."
The actor also shared a photo of himself en route to the boxer's funeral.
Friends, family, fans and religious officials gathered on Thursday to pay tribute to the late boxing legend.
Boxing promoter Don King and Jesse Jackson also stepped out to pay tribute to the heavyweight champ.
Ali cared more about helping people than growing his wealth, but could his estate be worth more now that he's passed?
The fighter cared more about helping people than growing his wealth, but could his estate be worth more now that he's passed?
Piers Morgan gets into a war of words with Chrissy Teigen.
The actor also opened up to ET about the late Paul Walker and Robin Williams.
Freddie Prinze Jr. says his father and Muhammad Ali formed a bond over a bloody nose.
Over the course of more than 30 years, ET spent plenty of time with Ali, so we're looking back at some of our favorite memories with the late icon.
