Sexiest Billionaire Daughters

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Paris and Nikki Hilton

Age: 29

Billionaire Grandfather: William Hilton

Family Fortune: $2.5 billion

Position on 2010 Forbes Billionaire List: #374

You didn't think we'd snub the hottest mess in Hollywood from a list of billionaire daughters, did you? Unflattering words such as "cretin," "good for nothing," and "dunderhead" are often associated with the "One Night In Paris" co-star and her socialite younger sister. Fortunately, her grandfather William Hilton -- the head of Hilton Hotels and son of the company's founder, Conrad Hilton -- has pledged most of the Hilton Hotel fortune to charity, so it's doubtful we'll ever see this amateur porn star and her tabloid fixture sis join ranks with the other billionaire daughters on this list.

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Kathrine and Cecilie Fredriksen

Age: 25

Billionaire Father: John Fredriksen

Family Fortune: $7.7 billion

Position on 2010 Forbes Billionaire List: #88

Norwegian-born shipping magnate John Fredriksen has been called "a modern day Onassis." The shipping tycoon has amassed an impressive fortune by building oil tankers and drilling equipment for maritime oil exploration. His 25-year old twin daughters are Scandinavian smoke shows who work in companies controlled by their billionaire dad.