It is narrated from Sayyiduna Abu Hurairah (may Allah be pleased with him), the Noble Prophet (peace and blessings be upon him) said: "Women who seek khula (divorce) from their husbands and separate themselves are hypocrites."
Hadith Referenceسلسله احاديث صحيحه / الزواج ، والعدل بين الزوجات وتربية الاولاد والعدل بينهم وتحسين اسمائهم / 1550