Given the two you mentioned, check out
Linda Rondstadt
Rhianna
Leann Rimes
Joss Stone
Adele
Natasha Bedingfeld
Katy Perry
P!nk
Sara Evans
Stevie Nicks
Linda Rondstadt
Rhianna
Leann Rimes
Joss Stone
Adele
Natasha Bedingfeld
Katy Perry
P!nk
Sara Evans
Stevie Nicks