who sang white christmas first

White Christmas was first sung by Bing Crosby in 1942. The song was written by Irving Berlin and became an instant classic, selling over 30 million copies. The song has since been covered by many other artists, including Elvis Presley, Mariah Carey, and Michael Buble. It's also one of the most popular Christmas songs of all time, and it's often associated with the holiday season. So, Bing Crosby is the answer to your question!