Courteney Cox is all smiles on the cover of Harper’s Bazaar US April 2011 issue photographed by Terry Richardson.

Courteney Cox is all smiles on the cover of Harper’s Bazaar US April 2011 issue photographed by Terry Richardson.

Hilary Duff PAPER Magazine cover story revisits her Lizzie McGuire years, her return to What Dreams Are Made Of and the music shaping her next chapter.