Back on? Shawn Mendes and ex-girlfriend Camila Cabello were spotted together at the Copa América final in Miami on Sunday, July 14, about one year after their last breakup. In footage obtained by a fellow attendee, the blonde “Havana” singer, 27, was seen chatting and smiling while sitting next to her 25-year-old ex, though they didn’t show any PDA. It’s unclear if the two are just friends or have decided to give their on-off romance another shot. As OK! reported, the stars first dated from 2019 to 2021 but were seen kissing at Coachella in April 2023 — however, by that June, they parted ways …