Their romantic union made great viewing for fans of Keeping Up with the Kardashians, but skeptics said they wouldn't last. The couple, however, said their love was "meant to be".
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Now, as their fourth anniversary approaches on 27 September, the state of the pair's marriage is under intense scrutiny. Amidst accusations of infidelity, and Lamar's alleged substance abuse issues, Khloé is said to be determined to help her husband to get his life back on track.
As fans wait to see how the love story will play out, HELLO! Online takes a look at the reality TV couple's romance.