It appears as though this was a long time coming.
Sources say that, while the actors were married for two years, the former flames certainly struggled to maintain a happy union:
"They have had many issues. They both have fiery personalities and don't like to compromise. Halle has threatened to file for divorce several times after arguments."
However, it turns out the final straw was actually a pretty big problem for the pair — they didn't agree on their living situation!
As it turns out, back when the Dark Tide co-stars got hitched, they had agreed to live in France with Halle's daughter, Nahla – from her relationship with Gabriel Aubry – and the child they were about to have.
So, Olivier had to instead live in LA, where insiders explain he wasn't happy: