Phoebe Gates, daughter of Bill Gates, recently confirmed her relationship with Arthur Donald, grandson of Paul McCartney, in a photo diary for Nylon magazine. The couple shared sweet moments from Gates' graduation from Stanford University, where Donald gave her a piggyback ride and they posed at a graduation party. Gates, who graduated with a degree in human biology, expressed her joy at completing her degree in three years to watch her mother, Melinda, deliver the commencement speech. Donald, an investor with a history degree from Yale University, comes from a prestigious background as the grandchild of a Beatles member. The couple's relationship has garnered attention as Gates and Donald navigate their careers in finance and media, adding a touch of glamour to their personal lives.