Sayyiduna Anas (may Allah be pleased with him) narrates: The Prophet (peace and blessings be upon him) divorced Sayyidah Hafsah (may Allah be pleased with her), and then he took her back.
Bazzar recorded it.
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب الطلاق / 7750