Watch Taylor Swift Sing 'Here' With Alessia Cara

Tim Boyles/LP5/Getty Images
Taylor Swift and Allesia Cara perform on Taylor Swift's "The 1989 World Tour" at Raymond James Stadium on Oct. 31, 2015 in Tampa, Fl. 

The U.S. portion of Taylor Swift's 1989 tour finished over the weekend in Tampa, Fl. (Oct. 31), and as with at just about every stop so far, Taylor had some special guests on hand to celebrate the night (and Halloween!).

Taylor Swift, Idina Menzel Wear 'Frozen' Costumes and Sing 'Let It Go': Watch

Along with Idina Menzel (who appeared to sing "Let It Go"), up-and-comer Alessia Cara joined Taylor onstage to perform her break-out hit "Here." It was a chance for both singers to show off their vocal chops -- watch the full performance below:

See the pair's tweets about the night below -- is Alessia going to be the next member of Taylor's venerable #squad?