Watch Taylor Swift Sing ‘Here’ With Alessia Cara

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?

I honestly couldn’t be more impressed by @alessiacara. 55,000 people and she was absolutely fearless. pic.twitter.com/btwupLZCLv

— Taylor Swift (@taylorswift13) November 1, 2015

thank u @taylorswift13 for showing me what 55,000 people looks like. I love u goodnight pic.twitter.com/uPueTRneSZ

— ac (@alessiacara) November 1, 2015