Alison Krauss
As of 2018, she has won 27 Grammy Awards from 42 nominations, tying her for the second most awarded recipient alongside Quincy Jones, second only to classical conductor Georg Solti, who holds the record for most wins with 31. She is the most awarded singer and the most awarded female artist in Grammy history.
List of people who have won Academy, Emmy, Grammy, and Tony Awards
Rita Moreno (born 1931), an actress, received her fourth distinct award in 1977. Between 1961 and 1978, Moreno received a total of five awards. She is also the first Hispanic winner and the first winner to win a Grammy as their second award (both previous winners won Tonys as their second award). In addition, she became a Kennedy Center Honoree in 2015.