Mercy Shawn Mendes
The Saturdays were a little nervous but they have big party plans for the night. Check out the backstage video interview here.
This time last year they were all working hard (well not Molly!) in their Christmas jobs, waiting to hear from the record company. Lucky for them and us, they made it big and we have got them here at the Jingle Bell Ball. Find out how their lives have changed and more by watching this great exclusive video.