Mariah Carey didnt steal All I Want For Christmas Is You from other . . . A federal judge in Los Angeles has ruled that Mariah Carey did not steal her perennial megahit “All I Want for Christmas Is You” from other songwriters Judge Mónica Ramírez Almadani granted Carey’s request for summary judgment on Wednesday, giving her and co-writer and co-defendant Walter Afanasieff a victory without going to trial