Hello how may I help you? Hi, I've got a question for you. Sure! And what is your question for today? Could you tell me what the best selling record of all time is? I certainly can. One moment please. Thanks! For the best selling music album of all time, it would be Michael Jackson's Thriller with 66 million sold. For the best selling single of all time, it would be Bing Crosby's White Christmas with 50 million copies sold. Wow, I wouldn't have guessed that. What's Michael Jackson's best selling single of all time? Billie Jean is Michael Jackson's best selling single with 7.9 million copie sold. copies* Awesome. Thanks for the help! You're very welcome!