Taylor Swift and Idina Menzel Performed A "Let It Go" Duet | What's Trending Now

Taylor Swift surprised her fans on Halloween by bringing Idina Menzel onstage to sing a duet of Let It Go. Subscribe for more videos: http://full.sc/NfhdwD

Let It Go performance: https://www.youtube.com/watch?v=eBTADWQKB7w
Alessia Cara performance: https://www.youtube.com/watch?v=yw-1XT6HSTc

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