MTO SHOCK WORLD EXCLUSIVE LAWSUIT: Woman Claiming To Be Beyonce’s SURROGATE . . . Is Suing For LEGAL CUSTODY . . . Of Blue Ivy!!!

: has learned that a LAWSUIT was filed earlier yesterday in the FEDERAL COURT in Manhattan by a woman claiming to be the SURROGATE – who gave birth to Blue Ivy Carter.

The woman, named Tina Seals, is asking to have the judge declare HER to be the mother of Blue. She;s also asking for CUSTODY of Bey’s daughter.

Bey’s lawyers have yet to respond.