Watch Taylor Swift, Paul McCartney rock out at an 'SNL 40' afterparty

If the haters gonna hate, hate, hate, then Paul's just gonna shake, shake, shake

Taylor Swift and Paul McCartney teamed up to sing "Shake It Off' at a SNL 40 afterparty, in a performance that proved Paul's a "Swiftie" and Taylor can rock it offJimmy Fallon acted as their hypeman, because every iconic duo needs some extra crowd pleasing

See also: Taylor Swift gives relationship advice to heartbroken fan on Tumblr

Shake it off with Taylor paul and jimmy. #snl40

A video posted by djcassidy (@djcassidy) on Feb 16, 2015 at 1:35am PST

It won't be long before Paul and Taylor are award-show besties — after all, Paul's already a fan of dancing in his seat Read more...

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