2015: The Summer of Splits

From Gigi Hadid and Cody Simpson in May to Jon Hamm and Jennifer Westfeldt in September, here at the 16 couples who called it quits during the summer of 2015. Here's hoping the fall will be a lot less heartbreaking

SCOTT DISICK AND KOURTNEY KARDASHIAN

Anyone who's watched Keeping Up with the Kardashians knows that the couple's 9-year relationship was frequently wrought with drama. But the final straw came in July when Disick was spotted getting cozy with ex-girlfriend Chloe Bartoli in Monte Carlo. Though Kardashian and Disick, who have three children together, have broken up in the past, a source told PEOPLE it's over for good this time: "He crossed the line for the last time, and there's no turning back."