Katy Perry in tears

Taylor Swift's new music video has left Katy Perry in tears.

The country singer's new video and track 'Back to December' was released last week and Katy is clearly a fan.

Taylor told her Twitter fans: "Well, well... My new video for 'Back To December' is out! Spoiler alert: this video contains snow and sadness."

And Katy soon agreed: "I loooove your new music video for 'Back To December'. It's absolutely STUNNING, made me cry!"

Taylor worked with director Yoann Lemoine who was a big part of Perry's Teenage Dream video. Katy added: "So RAD u worked w/Yoann, xoxo!"

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