United Kingdom, May 26 -- Sir Paul McCartney has compared Taylor Swift's "worldwide fame" to the fan frenzy of Beatlemania.

The Beatles legend has given his thoughts on the Opalite singer's career so far and admitted he can see a "parallel" between Taylor and his band because she has achieved a level of fame comparable to the hysteria which surrounded the Fab Four in the mid-1960s.

During an appearance on BBC show Tracks Of My Years, Paul was asked if he would give any advice to Taylor and he replied: " You do see the parallel, you know the fame and the amount of fame and the worldwide fame that Taylor Swift has and that we had, but I don't think she needs any advice to tell you the truth ... If she asked for it, I definitely would. I'm...