´It was narrated that Anas bin Malik said:` “I never saw the Messenger of Allah give a wedding feast for any of his wives like the feast he gave for Zainab, for which he slaughtered a sheep.”
Hadith ReferenceSunan Ibn Majah / The Chapters on Marriage / Hadith: 1908
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:بخاري ومسلم