James Corden recently had Camila Cabello on 'The Late Late Show' and the two had one of the greatest 'Riff Offs' ever. James represented 1999 and Camila represented 2019. Each brought it, covering hits from artists like Lil Nas X, Shawn Mendes, Ricky Martin, even Santana. Who won? Check it out and let me know your thoughts @justPEREZplay.