Amir said: Sayyiduna Iyad al-Ash'ari (may Allah be pleased with him) attended an Eid in al-Anbar and said: "Why is it that I see these people not performing 'taqlis' (festive celebration) as the Messenger of Allah (peace and blessings be upon him) used to do?"
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 15087