`` Lovely Rita '' is a song by The Beatles performed on the album Sgt. Pepper 's Lonely Hearts Club Band , written and sung by Paul McCartney , although as with all McCartney-written Beatles songs it is credited to Lennon\/McCartney . `` Lovely Rita '' is a song by The Beatles performed on the album Sgt. Pepper 's Lonely Hearts Club Band , written and sung by Paul McCartney , although as with all McCartney or Lennon-written Beatles ' songs , it is credited to Lennon\/McCartney .