It is narrated from Sayyidah Umm Hani (may Allah be pleased with her) that: "The Prophet (peace and blessings be upon him) came to her on the day of the Conquest of Makkah and prayed the Duha (forenoon) prayer, eight rak'ahs, in a single garment."
Hadith Referenceالمعجم الكبير للطبراني / مسند النساء / 21392