Project Runway host and supermodel Heidi Klum will file for divorce from Seal. Sources with direct knowledge tell TMZ  Heidi will file divorce papers in L.A. County Superior Court as early as next week. Heidi will allegedly cite “irreconcilable differences” as the cause for the divorce.

The couple married May 10, 2005. They have 3 biological kids, and Seal adopted Heidi’s eldest girl from a prior relationship.

As for splitting up their assets, it could be a rocky road. According to Forbes, last year Klum earned $20 million. It’s unclear how much Seal made.

The couple has been spotted apart more often than together. Last Sunday, Heidi attended the 69th Golden Globes Awards without Seal. The last photo she tweeted with him was back in December.

The last time TMZ filmed Seal and Heidi together, we asked her what the key to a successful marriage is. She didn’t answer the question.

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