Yazid bin al-Asamm (may Allah have mercy on him) narrates from Sayyidah Maymunah (may Allah be pleased with her) that the Messenger of Allah (peace and blessings be upon him) married while not in ihram, and I was sent to him (as a bride) in that same state.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب النكاح / 14205