She went to the Prophet ﷺ on the day of the Conquest and found him bathing while Fatimah screened him with a garment. She greeted him, and he asked, "Who is this?"She replied, "Umm Hani."When he finished his bath, he stood and prayed eight rakahs wrapped in a single garment.
أخبرنا يعقوب بن إبراهيم عن عبد الرحمن عن مالك عن سالم عن أبي مرة مولى عقيل بن أبي طالب
أنها ذهبت إلى النبي ﷺ يوم الفتح فوجدته يغتسل وفاطمة تستره بثوب فسلمت فقال من هذا قلت أم هانئ فلما فرغ من غسله قام فصلى ثماني ركعات في ثوب ملتحفا به
Bukhari reported it in the book of ghusl, chapter on covering oneself while performing ghusl in front of people, no. 280, and Muslim in the book of menstruation, chapter on the one performing ghusl covering himself with a garment or similar, no. 336, from the hadith of Malik, by this same route. It is also found in Muwatta (Yahya), 1/152, and in Kubra, no. 229.