Taylor Swift's stunning Jingle Bell Ball in red

Taylor Swift attends the Jingle Bell Ball at 02 Arena. (Getty Images)

(Getty Images)

(Getty Images)

Taylor Swift performs onstage during KIIS FM's Jingle Ball 2014. (Getty Images)

(Getty Images)

Jessie J attends (Getty Images)

Sam Smith (Getty Images)

Lisa Snowdon (Getty Images)

Ed Sheeran (Getty Images)