Christina Aguilera is just one star wearing a designer dress that we first saw on the catwalk.
See how the celebrities compare to the models - and how long it took for the stars to get their hands on the frocks.
Christina Aguilera is just one star wearing a designer dress that we first saw on the catwalk.
See how the celebrities compare to the models - and how long it took for the stars to get their hands on the frocks.