Gabrielle Union and Dwyane Wade are about to tie the knot and want their ceremony to remain top secret. To prevent any information from getting out, the couple is requiring that all guests sign a confidentiality agreement.

According to TMZ, who has obtained a copy of the document, no one is exempt, not even close family members. All relatives, guests, vendors and caterers will have to sign the contract before even setting foot inside the venue.

In addition, guests are also not allowed to bring cellphones or cameras to the wedding ceremony this Saturday, August 30 in South Florida.

The document also explains that even off-the-record comments heard or seen at the ceremony must be kept secret, especially if personal and financial in nature. Violators of the agreement will be sued for unspecified damages.

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(Photo: Kevin Mazur/Getty Images for BET)