Shawn Mendes & Camila Cabello Tease 'I Know What You Did Last Summer' Duet - Listen Here!

We are totally freaking out right now! It looks like rumors of a Shawn Mendes and Camila Cabello duet are true!

The 17-year-old Canadian singer and 18-year-old Fifth Harmony beauty just dropped a video teaser for a song titled “I Know What You Did Last Summer.”

The video features their silhouettes in a dark sorta way, kind of like the 90s horror flick. Watch below!

Meanwhile, a website for the song is live and just says “IKWYDLS Coming Soon.”

We can’t wait to hear the full track – even if they aren’t dating.