Prince Philip will attend his grandson Prince Harry's wedding to Meghan Markle.
The 96-year-old royal - who retired from public life last year - underwent hip replacement surgery last month, prompting speculation he wouldn't be fit enough to attend the nuptials on May 19, but not only is he back on his feet, he has able to walk unaided without the help or crutches or a stick.
A source told The Sun newspaper: "The Duke is already walking unaided. He has amazing willpower. When he sets his mind to something he gets on and does it.
"He has been walking up and down stairs several times in succession.