Historical clue formulations

• What the singer Prince Rogers Nelson famously went by — 2025-10-11
• What Beyoncé Knowles goes by — 2024-10-06
• A pop star might go by this — 2024-08-07
• Something Rihanna and Madonna each have — 2016-02-13
• What Madonna and Cher are each known by — 2012-07-15
• What Rihanna or Prince uses — 2011-08-21
• What Cher Bono, e.g., goes by — 2011-06-26
• What Shakira or 25-Down goes by — 2010-09-01
• Feature of Cher or Madonna — 2003-05-25