Richard Starkey, better knonwn as Ringo Starr, and his wife Barbara Bach, pose as they arrive for an investiture ceremony at Buckingham Palace in London on March 20, 2018. / AFP PHOTO / POOL / John Stillwell

Richard Starkey, better knonwn as Ringo Starr, and his wife Barbara Bach, pose as they arrive for an investiture ceremony at Buckingham Palace in London on March 20, 2018. / AFP PHOTO / POOL / John Stillwell

Mandatory Credit: Photo by Geoff Pugh/REX/Shutterstock (9471421a) Ringo Starr after receiving his Knighthood Investitures at Buckingham Palace, London, UK - 20 Mar 2018

Mandatory Credit: Photo by Geoff Pugh/REX/Shutterstock (9471421c) Ringo Starr after receiving his Knighthood Investitures at Buckingham Palace, London, UK - 20 Mar 2018

Mandatory Credit: Photo by REX/Shutterstock (9471457t) Sir Ringo Starr with his Knighthood Investitures at Buckingham Palace, London, UK - 20 Mar 2018

Musician Ringo Starr, poses for photographers after being awarded a knighthood, during an Investiture ceremony at Buckingham Palace, in London, Tuesday March 20, 2018. (John Stillwell/Pool Photo via AP)

Musician Ringo Starr, poses for photographers after being awarded a knighthood, during an Investiture ceremony at Buckingham Palace, in London, Tuesday March 20, 2018. (John Stillwell/Pool Photo via AP)

Musician Ringo Starr, poses for photographers after being awarded a knighthood, during an Investiture ceremony at Buckingham Palace, in London, Tuesday March 20, 2018. (John Stillwell/Pool Photo via AP)

Richard Starkey, better knonwn as Ringo Starr, poses with his medal after being appointed Knight Commander of the Order of the British Empire at an investiture ceremony at Buckingham Palace in London on March 20, 2018. / AFP PHOTO / POOL / John Stillwell