Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
muslim:1429f – Isḥāq b. Manṣūr > ʿĪsá b. al-Mundhir > Baqiyyah > al-Zubaydī > Nāfiʿ > Ibn ʿUmar

He who is invited to a wedding feast or like it, he should accept it.  

مسلم:١٤٢٩f – وَحَدَّثَنِي إِسْحَاقُ بْنُ مَنْصُورٍ حَدَّثَنِي عِيسَى بْنُ الْمُنْذِرِ حَدَّثَنَا بَقِيَّةُ حَدَّثَنَا الزُّبَيْدِيُّ عَنْ نَافِعٍ عَنِ ابْنِ عُمَرَ قَالَ

قَالَ رَسُولُ اللَّهِ ﷺ مَنْ دُعِيَ إِلَى عُرْسٍ أَوْ نَحْوِهِ فَلْيُجِبْ  

See similar narrations below:

Collected by Suyūṭī