Question: which female singer has the most powerful voice?
Answer: Mariah Carey. Photo credit: WENN. ...  Whitney Houston. Photo credit: WENN. ...  Christina Aguilera. Photo credit: WENN. ...  Adele. Photo credit: WENN. ...  Celine Dion. Photo credit: WENN. ...  Aretha Franklin. Photo credit: WENN. ...  Florence Welch. Photo credit: WENN. ...  Beyonce Knowles. Photo credit: WENN.