Idina Menzel & Michael Buble Have The X Factor as They Sing 'Baby It's Cold Outside' Live
If/Then and Frozen star Idina Menzel had a surprise present for us all when she performed on the UK’s X Factor on December 7—Michael Buble! The pair sang a live rendition of “Baby It’s Cold Outside,” the first time they’d done so together on stage. "Kind of like a first date," as host Dermot O'Leary put it. Check out the performance below, which included snow (the col…