Sayyiduna Ibn Abbas (may Allah be pleased with them both) said: The Messenger of Allah (peace and blessings be upon him) married Maymunah bint al-Harith (may Allah be pleased with her) while he ((peace and blessings be upon him)) was in ihram.
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 10676