Ibn Abbas (may Allah be pleased with them both) says that al-Fadl (may Allah be pleased with him) rode behind the Prophet (peace and blessings be upon him) when returning from Muzdalifah. Ibn Abbas (may Allah be pleased with them both) says that al-Fadl (may Allah be pleased with him) told him: "The Messenger of Allah (peace and blessings be upon him) kept reciting the talbiyah until he (peace and blessings be upon him) stoned Jamrat al-Aqabah."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب صلاة العيدين / 6265