Original: In addition to singing , Duff has also wrote and co-wrote several songs for her sister Hilary 's studio albums , Metamorphosis and Hilary Duff , as well as the song '' Gypsy Woman '' , on Hilary 's third studio album , Dignity .
Simplified: Duff wrote or co-wrote several songs on two of her sister Hilary 's albums , Metamorphosis (/O2003/O) , Hilary Duff (/O2004/O) and the song , '' Gypsy Woman '' , on Hilary 's 4th album , Dignity .