Related Clues:

• One-named singer with '19' and '21'
• 2009 Grammy winner for Best New Artist
• British singer with 'Someone Like You'
• One-named pop star
• One-named singer of 'Someone Like You'
• One-named singer of "Rolling in the Deep"
• She went six-for-six at the Grammys
• Singer of the 2011 #1 hit 'Someone Like You'
• Girl making a mark on proofs
• 'Someone Like You' singer
• She recorded the album '21'
• She recorded the album "21"
• 'Rolling in the Deep' singer, 2010
• Dancer Fred's sister
• '21' singer