Pamela Anderson's wedding to Kid Rock may not be legal.

The couple is due to marry on July 29 in the exclusive French town of St. Tropez - but the marriage could be unlawful.

A St. Tropez town hall spokesman said, "Anyone wishing to get married in St. Tropez must be a resident here for one month before the wedding."

The former 'Baywatch' actress and the singer are said to be tying the knot aboard a friend's yacht.

Pam - who wore a bikini for her wedding to Tommy Lee - will wear a white dress and carry pink and white lilies.

Her close friend photographer David LaChapelle will be the 'maid of honor', according to Us Weekly magazine.

After the nuptials, a wedding breakfast will be held on the Thunder Gulch yacht followed by a night of partying at a local nightclub.

Pam previously revealed she will tie the knot with the singer in France, California, Michigan and Tennessee.
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