Jimmy Fallon and Justin Timberlake have long teamed up for a "History of Rap," which not only entertains them, but everyone else in the world.

On Wednesday night, Justin Timberlake visited "The Tonight Show with Jimmy Fallon." As expected, the two teamed up for another round - round six, to be exact - of the "History of Rap."

The medley drove the crowd crazy, to no surprise, as Jimmy Fallon and Justin Timberlake belted our some classics: R. Kelly's "Ignition (Remix)," Public Enemy's "Fight the Power," and Fetty Wap's "My Way," to name a few.

Earlier that night, Justin Timberlake also took on the role of judge, when Ellen DeGeneres and Jimmy Fallon went into a lip sync battle. Watch the video here.

Jimmy Fallon net worth is $25 million. 

Watch "History of Rap 6" by Jimmy Fallon and Justin Timberlake below.

Just in case you're wondering, here's the full list of songs they performed, as per Complex:

R. Kelly & Jay Z - "Fiesta"

LL Cool J - "Rock the Bells"

Whodini - "Friends"

Slick Rick & Doug E. Fresh - "La Di Da Di"

Public Enemy - "Fight the Power"

N.W.A. - "Straight Outta Compton"

Salt-N-Peppa - "Let's Talk About Sex"

MC Hammer - "U Can't Touch This"

DJ Jazzy Jeff & The Fresh Prince - "Summertime"

Wu-Tang Clan - "C.R.E.A.M."

Notorious B.I.G. (featuring Puff Daddy & Mase) - "Mo Money Mo Problems"

Snow - "Informer"

Nelly - "Country Grammar"

Bone Thugs-n-Harmony - "Crossroads"

R. Kelly - "Ignition (Remix)"

Chris Brown (featuring Lil Wayne & Busta Rhymes) - "Look at Me Now"

Kendrick Lamar - "B-ch Don't Kill My Vibe"

Drake - "Know Yourself"

Big Sean - "I Don't F-k With You"

Jay Z & Kanye West - "Otis"

Fetty Wap - "My Way"

Ace Hood (featuring Future & Rick Ross) - "Bugatti"

Beastie Boys - "Fight For Your Right"