Taylor Swift performs a Joe Jonas-inspired song mash-up during her Toronto concert.

Taylor Swift performed a Joe Jonas-inspired mash-up of "Mr. Perfectly Fine" and "Better Than Revenge" during her concert in Toronto. Christina Aguilera praised Sabrina Carpenter for her dedication to her career. Ariana Grande, who plays Glinda in the Wicked film, hinted that her character might be "a little in the closet."