We wonder how the Beatle feels about being rebuffed by a little punk with buck teeth!

Paul McCartney showed up at the Argyle in Hollywood on Monday to get his Grammys after party on, except he was turned away by bouncers at the door... twice! The bash, hosted by Tyga, was clearly so D-list the door guys couldn't even recognize a music legend!

PR peeps for the Republic Records party at Hyde must have been thrilled at the mistake, because the British singer and his entourage opted to take part in their soiree instead and tore up the dance floor all night long.

Someone is getting fired today!