Cassie and Diddy were romantically involved for about a decade, from around 2007 until their final split in 2018.

Quick Scoop: How long did Cassie and Diddy date?

  • Most outlets note they were together on and off for “over a decade.”
  • They were first linked romantically in 2007 and ultimately broke up in 2018.
  • Some timelines say they were “officially” a couple from about 2012 to 2018 , but the broader relationship (including earlier, less public phases) spans roughly 11 years.

Mini timeline

  1. Mid‑2000s: Cassie signs to Diddy’s Bad Boy Records and they start working together.
  1. Around 2007: Reports of a romantic relationship begin.
  1. 2010s: They appear publicly as a couple, with some breakups and reconciliations along the way.
  1. 2018: They split for good.

So, if you’re wondering “how long did Cassie and Diddy date,” the widely accepted answer is that they were together on and off for about 10–11 years , from 2007 to 2018.

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