Second collaboration of Shawn Mendes and Camila Cabello after their 2015 song "I Know What You Did Last Summer." It is a Latin song which was co-written by them with Charli XCX, Ali Tamposi, Jack Patterson and producers Andrew Watt, Benny Blanco and Cashmere Cat.
The song topped charts in the Czech Republic, Finland, Greece, Hungary, Ireland, Malaysia, the Netherlands, New Zealand, Norway, Slovakia, Sweden and Switzerland. It reached number two in eight other territories, including the US and UK. It won Collaboration of the Year and Best Collaboration at the 2019 American Music Awards and 2019 MTV Video Music Awards, respectively.