Nick Cannon is the one who has filed divorced according to several reports and TMZ reports that the prenup has a confidentially clause.
Meaning, if Nick violate the clause he has to play Mariah $250,000 penalty and if she violates, she has to pay him $500,000.
When the two married, Mariah came into the marriage with $150M while Nick has less than $500k at the time. The two married in 2008. Nick has increased his worth and salary since 2008 with the many of projects, making millions.
Reports state that the two have already reached an agreement. Many believe that Mariah was on the phone with her divorce lawyer before her Christmas performance at Rockefeller Plaza, the reason for the horrific moment.