Hillary duff can't sing worth a crap. I wouldn't know
I haven't heard any of her crappy songs or bought any of her mediocre CD's
AND HOW CAN YOU SAY SHE IS MORE FAMOUS THAN UTADA HIKARU.
HIKI IS OLDER THAN HER BY 10 YEARS. And is more talented,better looking, and pretty much everything that Hillary Duff fails to achieve