The Pursuit of Happyness in "Champion" (2008)
Reference: "We was sort of like Will Smith and his son/In the movie, I ain't talkin bout the rich ones"
Kanye's a bit hyperbolic here, comparing he and his dad's struggle to that of the homeless Christopher Garner and his junior, portrayed by father and son Smith. Former G.O.O.D. Music affiliate Consequence famously claimed this line was his suggestion.