OMGeeez!!! I totally missed this performance in 2012! (Why?!...How???..)
If you missed it too, or think it's great enough for multiple viewings, as I do (once I finally saw it), check out Bruno Mars and his band perform "Locked Out Of Heaven":
Bruno Mars - Locked Out Of Heaven - SNL 10-20-12 by IdolxMuzic
C'mon!! That is the cutest performance EVER!