Shakira's hips are iconic. J.Lo's ass was talked much about and had controversy. I'd go with the hips that created a worldwide stir AND acclaim for originality.
STANNING FOR:
SHAKIRA
LANA DEL REY, FLORENCE + THE MACHINE & RIHANNA
LADY GAGA, ADELE, NICKI MINAJ, BEYONCÉ, SNSD & 2NE1
KANYE WEST, WHITE LIES, KINGS OF LEON, SANTANA