Mariah Carey‘s ‘All I Want For Christmas Is You’ could land its first ever UK Number One this week, according to the Official Charts Company.The festive classic, which was first released in 1994, has remarkably never been Number One in the UK. The year it was released, it lost out on the top spot to East 17‘s ‘Stay Another Day’, peaking at Number Two.Today (November 30), ‘All I Want For Christmas Is You’ has climbed to Number Two on the UK singles chart midweeks.