The message read, "A very happy birthday to my dear friend, Ringo (or should I say, Sir Richard). I hope you have a wonderful day full of love. Paul." ...

On Monday Sir Paul, 83, posted a photo of the pair, credited to his late wife, photographer Linda McCartney, and wrote: “A very happy birthday to my dear friend, Ringo (or should I say, Sir ...

A Beatles icon celebrates his 83rd birthday: Two of his five children send heartwarming congratulations to Paul McCartney on Instagram. Global stars honor him as well.