Anna Kendrick Does Impressive Things With A Cup On Letterman

While visiting David Letterman, the Oscar nominated actress performed the cups song from her new film, Pitch Perfect. More evidence of just how talented she is.

1. Watch the full video:

Also, she admits she’s a Reddit user. Who knew? Below is the viral version that Anna is referring to. Also you can listen to the Pitch Perfect soundtrack on SoundCloud.

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