Umm Hani' bint Abu Talib narrated that :
When it was the year of the Conquest (of Makkah), the Messenger of Allah got up to perform a bath and Fatimah screened him. Then he took his garment and wrapped himself in it (such that it became like the towel used to dry oneself). (ES)
English reference (ES): Vol. 1, Book 1, Hadith 465 (ES)
Arabic reference (ES): Book 1, Hadith 502 (ES)