Jimmy Fallon and Justin Timberlake Perform 'History of Rap' on The Tonight Show

Justin Timberlake is on “The Tonight Show Starring Jimmy Fallon” (NBC at 11:30). Could that mean another brilliant installment of the History of Rap? Actress Pauley Perrette and comedian Jeff Caldwell stop by the “Late Show With David Letterman” (CBS

Well, that was expected. Capping off a fantastic first week in The Tonight's Show's new era, host Jimmy Fallon trotted out brother-in-virality Justin Timberlake for the beloved History of Rap's fifth installment. Twenty-three new songs were represented

Last night on The Tonight Show Starring Jimmy Fallon, the late-night host and Justin Timberlake brought down the house with a fifth installment of the duo's immensely popular “History of Rap” series. The fifth medley features LL Cool J, Run DMC

The setting might have been new, but the beats were strictly old-school when Justin Timberlake dropped by pal Jimmy Fallon's new home at The Tonight Show to team up for the latest installment of “The History of Rap.” That would be Chapter No. 5 for

Well, that was expected. Capping off a fantastic first week in The Tonight's Show's new era, host Jimmy Fallon trotted out brother-in-virality Justin Timberlake for the beloved History of Rap's fifth installment. Twenty-three new songs were represented