As previously mentioned, neither NBC nor 'Saturday Night Live' would formally confirm the departures of cast members Andy Samberg or Kristen Wiig, but last night's Mick Jagger-hosted episode, was all the confirmation you'll need.

In the last sketch of the night, a very loosely staged graduation piece with Mick Jagger playing himself as the principal of...OK it doesn't really make sense as a sketch. But as an emotional goodbye to 'SNL's MVP Kristen Wiig, it was brilliant.

With the 'SNL' cast dressed like graduating students, Jagger specifically called Wiig to the staged to the cheers of the audience. Jagger announced to both Wiig and the audience, "Our music department got together to prepare a little song to say goodbye." With the backing of Arcade Fire and the Foo Fighters, Jagger launched into a rendition of the Rolling Stones classic "She's Like a Rainbow.

Wiig took turns dancing with each cast member, often sharing a kiss or a hug, and it was all par for the course until Wiig's fellow female cast members joined her on stage and you could see the emotions start to flow. By the time Bill Hader joined her on stage, Wiig was openly crying on stage as she buried her head in his shoulder. It was a rare touching moment from Studio 8H.

Once Lorne Michaels came out to say his goodbye, the band erupted into "Ruby Tuesday" and the entire cast danced to the refrain of "Goodbye Ruby Tuesday / Who can hang a name on you / Still you change with every new day / Still I'm going to miss you."  Wiig was joined on stage by fans and co-workers like Amy Poehler, Steve Martin, Chris Kattan, Jon Hamm, Will Forte and Rachel Dratch and well, you'll probably just want to watch for yourself.

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