Jameela counts down the Top 40 and reveals the UK's new official No 1.
Jameela counts down the new Top 40 and reveals the UK's Christmas Number 1 for 2014!
Jameela breaks the news to Mark Ronson that he's got his first ever UK #1
Dev sits in for Jameela and chats to Union J and Ella Henderson on the way to the new No 1
Jameela hears from McBusted and has a chance for you to win a signed 5SOS guitar.