See Kristen Wiig's best SNL moments here.
Dave Grohl and the rest of the Foo Fighters (performing under the moniker "Chevy Metal") played the SNL season finale cast party. Host Mick Jagger did a cover of the Rolling Stones' "Miss You", Amy Poehler took the stage to perform Joan Jett's "Bad Reputation" and then "I Love Rock N' Roll" was belted out by Kristen Wiig, Andy Samberg and Jason Sudeikis.
