´Mu’adhah Al-‘Adawiyyah said:` “I asked ‘Aishah: ‘Did the Prophet (ﷺ) pray Duha?’ She said: ‘Yes; four (Rak’ah) and he would add whatever Allah willed.’”
Hadith ReferenceSunan Ibn Majah / Establishing the Prayer and the Sunnah Regarding Them / Hadith: 1381
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:صحيح مسلم