According to Guinness World Records, Irving Berlin's "White Christmas" (1942) as performed by Bing Crosby is the best-selling single worldwide, with estimated sales of over 50 million copies.
"Candle in the Wind," has passed Bing Crosby's "White Christmas" as the biggest-selling single in history, the folks at Guinness Book of Records said.
Has it or hasn't it ? Is it or isn't it ? The internet definitely does not know for sure .