Session 158 - Ali ibn Abu Talib (ra)- The departing of Fatima (raa), who performed her ghusul?

Alee ibn Abu Talib (ra) Session 158 The Prophet ﷺ names the children of Alee (ra) after the children of the Prophet Harun (as). The miraculous statement of the Prophet ﷺ when he ﷺ said to his daughter, Fatima (raa), you will be the first to join me after my departing. The departing of Fatima (raa), who performed her ghusul?