Mena Suvari's divorce war is over ... the actress has reached a settlement with her ex ... and she won't have to spend one dime on the guy ever again.
TMZ broke the story ... Mena's husband Simone Sestito was demanding $17k per month in spousal support ... claiming Mena makes a FORTUNE and he got used to living the good life.
But Mena's rep tells TMZ the two talked things out in private and were able to bury the hatchet -- "They have amicably resolved their financial differences outside of Mediation and Court."
The rep says, "Neither party will pay the other any support."
We're told the two remain friends ... and wish each other future success.
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