PAUL AND NANCY IN LONDON / PHOTOS

Earlier in the day the couple were seen wandering around north London

Stepping out on Wednesday, Paul looked decidedly chipper as he began his 72nd birthday with a stroll close to his London home.

Paul was accompanied by Nancy.

Paul and Nancy pass a young musician who appears not to notice the Beatles legend in his midst

The couple were in arm in arm as they kick-started Sir Paul's 72nd birthday with a sedentary stroll close to their London home

The couple opted for decidedly casual ensembles for their latest day out in London on Wednesday