Access Hollywood Live: Jimmy Fallon Explains Evolution Of 'Late Night' Rap

Access Hollywood Live: Jimmy Fallon Explains Evolution Of 'Late Night' Rap

Access Hollywood Live’s Billy Bush and Kit Hoover chat with Jimmy Fallon about his viral hit from “Late Night with Jimmy Fallon” in which he and Justin Timberlake rap to some of the greatest hip-hop songs in history! Whose idea was it and how long did Jimmy have to practice?