Narrated Nafi`: `Abdullah bin `Umar said, "Allah's Apostle said, 'Accept the marriage invitation if you are invited to it.' " Ibn `Umar used to accept the invitation whether to a wedding banquet or to any other party, even when he was fasting.
Hadith Referenceصحيح البخاري / كتاب النكاح / 5179
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة