Sir Rod Stewart, 75, joined forces with Chris Evans, 54, to help raise money for the NHS amid the coronavirus pandemic. Earlier this week, the Maggie May singer talked about the moment he got drunk during his visit to Buckingham Palace.Chris told listeners about the various items the legendary crooner had given up in a bid to raise money for NHS charities during the coronavirus pandemic.The Virgin Radio DJ quizzed the singer on a photo which saw Rod standing outside the royal abode.Chris said: "Rod, this photo of you outside Buckingham Palace, tell us about that?"The hitmaker revealed the particular photo had not been seen by the public, adding he had been "p***ed" when it was taken.Sir Rod replied: "That isn't the only one obviously.