Nafi' narrates from Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) that, on the utterance of the words "al-khaliyyah" (the free one), "al-bariyyah" (the released one) and "al-battah" (the definitive one), he did not regard the woman as lawful for the man until she married another husband.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الخلع والطلاق / 15019