Mariah Carey and Kids Sing ‘All I Want for Christmas Is You’ Carey shared a video on social media, showing that talent runs in the family as they sang her 1994 Christmas hit. “Roc & Roe have been practicing the background vocals to ‘All I Want For Christmas Is You,’ we’re gonna take this one step at a time— we’re very excited about it! It’s our first video doing this! It’s festive, Cmon!!” Mariah Carey, via Instagram The singer turns to her children in the backseat and asks them if they’re ready. Moroccan is heard counting down and signaling the song’s start with a “dab.” The song began with “I don’t want a lot for a Christmas.” The family then harmonized with beautiful background vocals, And looked great while doing it! Carey is seen wearing a red scarf and the twins wore Santa hats. Fans loved it and called the moment “perfect.”