It is narrated from Sayyiduna Ibn Abbas (may Allah be pleased with them both) that the Prophet (peace and blessings be upon him) said: "The worst food is the food of a wedding feast (walimah) to which the well-fed are invited and from which the hungry are kept away."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 12699