You know the 12 days of Christmas are fast approaching the Big Apple when they light that gigantic Christmas tree in Rockefeller center. Last night we realized we really had to get a jump on our holiday gifts after braving the cold to peep some of the world's biggest divas belt out familiar yuletide tunes. We couldn't help it, more than just the temp was sending shivers down our spine—we're suckers for an emotional Away In A Manger, especially from Susan Boyle. It wasn't all soulful though! Our fave guest Glee star, Filipino spitfire Charice, sang a version of Jingle Bell Rock that put the Mean Girl's rendition to shame (and how amazing is her english accent now?!). Plus, Mariah Carey started out the festivities right with her new X-mas standard, Oh Santa, Boyz II Men reappeared, and Jessica Simpson apparently still has relevance—she sang I'll Be Home For Christmas. Oh, and Kylie Minogue popped up wearing a furry, Abominable Snowman get-up that we kinda would hate at any other sing-a-thon but this one. Peep the winter outfits (lots of red), and scroll down to watch and listen—your hump day just got a major cheer injection!