Prince Phillip wasn't going to let a cracked rib keep him from his grandson Prince Harry's wedding after a fall in the bath a few days earlier.
The 96-year-old managed to soldier on through the immense pain for the one-hour ceremony at Windsor Castle and reception on Saturday.
The grandfather of the groom seemed cheery with a beaming smile as he arrived at the St George's Chapel with the Queen, walking unaided without a cane.
"The Duke is not a fan of showering and prefers to bathe. But he's a determined man and nothing was going to stop him attending nor would he take any kind of walking aid," a royal insider told The Sun.
Prince Phillip took the British stiff upper lip to new heights as even a slightly cracked rib is extremely painful with a stabbing pain at each breath.