“A girl's legs are her best friends... but even the best of friends must part.”
“Even good girls have secrets, ones even their best friends must guess.”
“Diamonds are a girl's best friend.”
“Black is a girl's best friend.”
“It's odd when your best friend has an even better best friend.”
“Diamonds are a girl's best friend and dogs are a man's best friend. Now you know which sex has more sense.”