Listen to I Know What You Did Last Summer (Originally Performed By Shawn Mendes & Camila Cabello) online. I Know What You Did Last Summer (Originally Performed By Shawn Mendes & Camila Cabello) is an English language song and is sung by DJ MixMasters. I Know What You Did Last Summer (Originally Performed By Shawn Mendes & Camila Cabello), from the album Chart Ringtones #61, was released in the year 2016. The duration of the song is 0:28. Download English songs online from JioSaavn.