Sunan an-Nasa'i, Book 19, Hadith 9 (In-Book) ⓘ
It was narrated from Ibn 'Umar that: The Messenger of Allah, Abu Bakr, 'Umar, may Allah (SWT) be pleased with them, used to offer the 'Eid prayer before the Khutbah.
أَخْبَرَنَا إِسْحَاقُ بْنُ إِبْرَاهِيمَ، قَالَ أَنْبَأَنَا عَبْدَةُ بْنُ سُلَيْمَانَ، قَالَ حَدَّثَنَا عُبَيْدُ اللَّهِ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم وَأَبَا بَكْرٍ وَعُمَرَ - رضى الله عنهما - كَانُوا يُصَلُّونَ الْعِيدَيْنِ قَبْلَ الْخُطْبَةِ .
also referenced under: Hadith 1564 (Reference) & Volume 2, Book 19, Hadith 1565 (DarusSalam)