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 he (peace and blessings be upon him) prayed four rak'ahs of the Duha (forenoon) prayer.
Hadith Referenceالمعجم الأوسط / باب الألف / 727
Hadith Takhrij«أخرجه الطبراني فى «الكبير» برقم: 1057، 1063، والطبراني فى «الأوسط» برقم: 2727، 4410»