7. Meghan Trainor - 'All About That Bass'
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This Week's Top Ten (14th December 2014)

4. 7. Meghan Trainor - 'All About That Bass'
It's only the LONGEST reigning No.1 of the year back for another taste of chart success. She performed the track on last night's X Factor with all three finalists joining her onstage for the last chorus, it was glorious.