After a source confirmed to E! News on Friday, Dec. 13 that the 29-year-old E! star planned to file for divorce from her husband of four years "later today," Khloé did indeed decide to move forward with the split, citing "irreconcilable differences" in the divorce papers.
While it's been no secret that the couple has endured their share of marital struggles as of late, it seems that the brunette beauty has finally hit her breaking point.
So why did the Keeping Up the Kardashian's star ultimately decide to divorce Lamar after months of trying to make it work? Here's what we know about Khloé's difficult decision: