This is one way to celebrate a birthday.

Paris Hilton celebrated her 33rd birthday two days early donning a plunging hot pink "princess" dress and (if pictures are to be believed) very little else before hitting the town in Los Angeles.

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"Who wore it better?" asked the birthday girl, er, Princess on her Instagram. "Paris Hilton or Sleeping Beauty?"

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Hilton didn't seem bothered by all the skin she was revealing. A number of photos reveal Paris had opted to leave the house without any underwear. Talk about birthday suit!

"Yes, my dress was a lil revealing. But it's my birthday & it's a dress straight off the runway. I don't care what haters say, I think it's stunning! #BirthdayBarbie"

What do you think? Too much? Too pink? Or just right?