Justin Timberlake Will Help Welcome Jimmy Fallon to Tonight Show [VIDEO]

Jimmy Fallon is set to the take the reigns of the Tonight Show on Monday night, and he's already lining up great guests to help him settle in, including Justin Timberlake.

Justin Timberlake has been a regulary guest on the Late Show with Jimmy Fallon, and helped create memorable sketches like 'Hashtags' and the 'History of Rap.' They have even shared their memories of Summer Camp together. Justin is set to join Jimmy on Friday night Feb 21st. Don't forget to set you DVR.

Hashtags

History of Rap

Summer Camp