"Liar" is a song by Cuban-American singer Camila Cabello, from her second studio album Romance (2019). The pop song was written by Cabello, Ali Tamposi, Andrew Watt, Jon Bellion, Jordan Johnson, Stefan Johnson, Lionel Richie, Jenny Berggren, Jonas Berggren, Malin Berggren, and Ulf Ekberg. Production was handled by Watt, The Monsters & Strangerz and Bellion. It was released by Epic Records and Syco... Wikipedia