Historical clue formulations

• One-named Barbadian superstar — 2025-09-17
• Singer with the 2009 double-platinum album "Rated R" — 2024-12-13
• Stage name (and middle name) of Robyn Fenty — 2022-12-25
• One-named singer whose real first name is Robyn — 2018-10-10
• Grammy-winning singer from Barbados — 2013-08-23
• Singer of the 2010 #1 hit "Rude Boy" — 2012-12-22
• One-named Grammy winner of 2007 — 2009-08-28