Shawn Mendes and Camila Cabello Perform on The Tonight Show starring Jimmy Fallon

Shawn Mendes and Camila Cabello performed on The Tonight Show starring Jimmy Fallon last night, January 4. The duo performed their new single, “I Know What You Did Last Summer”.

Camila and Shawn released the single this past Fall and spent the majority of December promoting the single. They even performed it a couple of times on iHeart Radio’s Jingle Ball tour.

What did you think of their performance?