WATCH: James Corden always does the funniest stuff on his late night show. And this bit does not disappoint. One common gift that is given over the holidays is the singing telegram, where a professional company sends one or more singers to your residence or job to sing you a special song. Christmas carols are popular, or you can get these for your birthday. But could you imagine if you got one of these singing telegrams, only to be met by these two? Well now you don't have to imagine, because they show you exactly what they would do! Let the funny begin: