Hilary Duff goes by Hil.
wHo iS Hilary Duff dAD??
Hilary Duff dos'nt go to school or collage!
Hilary duff.
Hilary Duff's birth name is Hilary Erhard Duff.
Hilary Duff's middle name is Erhard. Hilary Erhard Duff
Hilary Duff was born in Houston, Texas.
Hilary's life work is her singing and acting talents because she work on them for a long time
Hilary Erhard Duff
No Hilary Duff is not a boy she is a girl.
Hilary Duff's Twitter is @HILARYDUFF
Hilary Duff's last name is (unsurprisingly) Duff.