Heidi Klum and Seal Heidi Klum and Seal

Is it over between Heidi Klum and Seal?

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The supermodel and Project Runway host is set to file for divorce from her husband of six and a half years next week, TMZ reports. According to the site, Klum will cite "irreconcilable differences."The couple, who are known for their vow renewal ceremonies every year, have four children: sons Henry, 6, and Johan, 5, and daughters Leni, 7, and Lou, 2. Leni, whom Seal adopted in 2009, is Klum's daughter with Flavio Briatore.

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Klum, 38, and Seal, 48, met in 2003 while she was pregnant with Leni. The Grammy winner proposed on a glacier in Whistler, British Columbia, Canada, in December 2004, and they wed five months later in Mexico.