who sang i know what you did last summer
I Know What You Did Last Summer (song) "I Know What You Did Last Summer" is a song by Canadian singer Shawn Mendes and Cuban-American singer Camila Cabello. It was released as the lead single from his 2015 revisited version of his debut studio album, Handwritten (2015) via Island Records on November 18, 2015. It reached the top 20 on the US Billboard Hot 100 and on the Canadian Hot 100. Mendes and Cabello promoted the song with several televised performances, including on The Tonight Show Starring Jimmy Fallon and at the 2016 People's Choice Awards.