Life is all preening, pouting and parties, parties, parties for Tanzie and Ava Marchetta (Hilary and Haylie Duff) - instantly recognised celebrities who are fawned over wherever they go and famous just for being who they are – heiresses to their father’s cosmetic empire. Everyone loves Tanzie and Ava and Tanzie and Ava love their life. But in the cutthroat world of business things can quickly change as the girls realise when they find they are on top of the beautiful people list one day – and personae non gratae the next.