“GaGa had a tour of his home and was awestruck by his collection. She kept complimenting him on it,” a source told the English paper, the Sun.
"He was tickled by her fascination so presented her with a set.
"She was over the moon with the present. It was a vintage set and probably worth a fair few bob."
Gaga has used a tea-cup as a prop for many of her outfits in the past. Most famously she turned up on the BBC’s more popular chat show, Friday Night with Jonathan Ross, with her own tea cup.
Sir Elton’s event raised nearly $7 million for his AIDs Foundation.