Cassie and Diddy’s long on‑and‑off relationship ended for good in 2018 , with reps confirming their breakup publicly in October 2018 and noting that they had already been separated for a few months by then.

Quick Scoop

  • They were first linked around 2007 and spent over a decade together in an on‑and‑off romance.
  • Reports of a final split surfaced in October 2018, when Cassie’s representative said they were “no longer together and haven’t been for months.”
  • Around the time the breakup became public, Diddy was seen with model Jocelyn Chew, which added fuel to the breakup headlines.

Timeline Snapshot

  • December 2015: Brief breakup reportedly occurs, then they reconcile.
  • 2016: Public argument in LA sparks more split rumors, but they stay together.
  • 2018: Final separation happens privately; by October 2018, the breakup is confirmed to the media.

In short: if you’re wondering “when did Cassie and Diddy break up?” — the breakup went public in October 2018 , with insiders saying they had already been apart for several months at that point.

TL;DR: Cassie and Diddy officially broke up in 2018, with the split confirmed in October and described as having happened “months” earlier.

Information gathered from public forums or data available on the internet and portrayed here.