Jenny's Noodle

Jimmy Fallon and Justin Timberlake Photo credit: Pop Culture Madness

Justin Timberlake stopped by Late Night on Wednesday to promote his new film The Social Network, that little movie about the founding of Facebook -- perhaps you've heard of it?

While he was there, JT joined host Jimmy Fallon and the show's house band The Roots to perform a medley of hip-hop songs throughout the ages. From The Sugar Hill Gang to Snoop Dogg and Dr. Dre to Jay-Z, the pair covered all the hits from the 80s to today, and their impressions weren't half bad.

So, in case you missed it or have been wanting to watch it again...