Paris Hilton and her sister Nicky Hilton showed off the svelte bodies outside the Gibson Amphitheatre in Universal City Sunday night, as they walked the red carpet for the 2012 MTV Movie Awards.

Both Paris and Nicky wore super-sexy black mini-dresses by Marco Squared. Nicky wore a short black/silver strapless dress paired with black pumps and clutch, while Paris wore a form-fitting black with silver detailing dress paired with black pumps and clutch.

Paris Hilton Nicky Hilton

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Both sisters also featured similar hairstyles.... Nicky sported long straight locks that were parted in the middle and Paris long straight locks with an off-centered part.

Paris tweeted about their look before arriving, writing, "On my way to the @MTV@ with my beautiful sis . Both rocking sexy dresses, loves it! ☺♡"

Which Hilton sister do you think looks hotter?

Photos courtesy of Getty Images