Historical clue formulations

• Musician who once joked "I'm not offended by all of the dumb blonde jokes because I know I'm not dumb … and I also know that I'm not blonde" — 2024-04-13
• If you think country singers can't do hair, you haven't seen ___ — 2021-03-17
• Singer with the hit country album "Backwoods Barbie" — 2011-09-22
• "You'd be surprised how much it costs to look this cheap" — 1996-09-01
• "Here You Come Again" crooner — 1996-03-19