We knew it would come out sooner or later, read about the details of Jay-Z and Beyonce's Prenup agreement below;
"Beyonce is worth an estimated $100 million and Jay-Z is worth estimated $300 million. She will have access to all the money, accounts, cars, NetJet private plane service, the yacht, homes and offices they share during the marriage. She will get $10 million after 2 years of marriage, then $1 million every year of marriage up to 15 years. $5 million dollars for every child she has by him. If they split, she will get $10 million plus a house worth $10 million and she will get to keep all clothes, jewelry and gifts earned during the marriage. "
-Source
LOL; GET IT B!