It's by Fleetwood Mac:
It's funny to watch Paul Rudd dance to this song in the 12-7-2013 episode.
Too bad that's not on YouTube,
Stashed in: Music Videos!, SNL
▶ Priyanka Chopra - Exotic ft. Pitbull - YouTube
Jimmy Fallon and Jennifer Lopez tight pants
What Does English Sound Like To Foreigners? | TIME.com
Alicia Silverstone Clueless gif