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.
Grammy Award for Best Pop Vocal Album
Kelly Clarkson and Adele are the only two-time winners of this award, Clarkson was the first to win twice. Clarkson and Justin Timberlake have both been nominated five times, more than any other artist, though Clarkson is the only artist to have the most solo albums nominated. Three of Timberlake's are solo, two are from NSYNC.