Ibn 'Umar (RA) reported Allah's Apostle (ﷺ) as saying: When any one of you is invited to a feast, he should accept. 'Ubaidallah took this feast to be a wedding feast.
Ibn 'Umar (RA) reported Allah's Apostle (ﷺ) as saying: When any one of you invites his brother, he (the latter) should accept his wedding feast, or any other like it.
Haaroon ibn Abd Allah narrated to me, Hajjaaj ibn Muhammad narrated to us, from Ibn Juraij, Musa ibn Uqbah informed me, from Naafi’, he said: I heard Abdullah ibn Umar say: The Messenger of Allah, peace and blessings be upon him, said: "Respond to this invitation when you are invited to it." He said: And Abdullah ibn Umar used to attend the invitation for a wedding and other than a wedding, and he would attend it while he was fasting.
Ibn 'Umar (RA) reported Allah's Apostle (ﷺ) having said: When you are invited to a feast (even though it is) the leg of the sheep, you should accept it.
Jabir (RA) reported that Allah's Messenger (may peace he upon him) said: When any one of you is invited to a feast, he should accept it. He may eat if he likes, or he may abandon (eating) if he likes. Ibn Mathanna did not make mention of the word "feast".
Abu Hurairah (RA) reported Allah's Messenger (ﷺ) as saying: If any one of you is invited, he should accept (the invitation). In case he is fasting, he should pray (in order to bless the inmates of the house), and if he is not fasting he should eat.
Abu Hurairah (RA) used to say: The worst kind of food is the wedding feast to which the rich are invited and the poor are ignored. He who does not come to the feast, he in fact disobeys Allah and His Messenger (ﷺ) .
Sufyan reported: I said to Zuhri: Abu Bakr, what does this hadith mean: "The worst kind of food is at a wedding feast of the rich"? He laughed and said: The food served in the feast given by the rich is not worst (in itself). Sufyan said: My father was rich, so I felt disturbed when I heard this hadith, so I asked Zuhri who said: I heard from 'Abdul Rahman al-Alraj that he heard Abu Hurairah (RA) say: The worst kind of food is that served at the wedding feast. The rest of the hadith is the same.
Abu Hurairah (RA) reported Allah's Apostle (ﷺ) as saying. The worst kind of food is at the wedding feast from which one who comes is turned away, and he who refuses it is invited, and he who did not accept the invitation disobeyed Allah and His Messenger (ﷺ) .