Beatles legend and 'How Do You Know' star team up for a digital short on NBC hit.By Mawuse Ziegbe Paul McCartney and Paul Rudd on "SNL" on Dec. 11, 2010 Photo: NBC "Saturday Night Live" was packed with Pauls, from a rock icon to a newbie comedian. Second time host Paul Rudd played up the plethora of fellas with the name during his opening monologue, claiming credit for the fan mania that was clearly the result of rock legend Paul McCartney's on-set presence as musical guest.