Camila Cabello and Shawn Mendes are certainly keeping fans on their toes! Although the exes broke it off in November, they were spotted together walking their dog in Miami recently and now the former 5th Harmony member, 24, is leaving flirty messages on Shawn’s IG! It all went down when the 23-year-old singer took to social media on Thursday (January 20) to share a 12-second clip of new music he is working on (below).