Top 10 Charlotte Casiraghi
Billionaire Family: Grimaldi Family of Monaco
Family Fortune: US$1 billion
A granddaughter to the late Grace Kelly and an eligible heir to the throne of Monaco, Charlotte Casiraghi is a 23-year-old editor-at-large for Above fashion magazine. Her inheritance isn't limited to her grandfather's royal fortune and her grandmother's good looks. At the age of 17, this elegant fashionsita was gifted a private island off the coast of Sardinia.
Top 9 Holly Branson
Billionaire Father: Richard Branson
Family Fortune: US$2.5 billion
Rather than milking her father's fortune from the Virgin empire, Richard Branson's bombshell daughter briefly decided to pursue a pediatric medical degree at University College in London. After smelling the roses that her father is one of the coolest billionaires in the world, Holly left her medical ambitions to intern at Virgin and being the climb up the company ladder. Although she's still single, there's been tabloid speculation that she might be a suitor to Prince William.
Top 8 Ariana Rockefeller
Billionaire Grandfather: David Rockefeller, Jr.
Family Fortune: US$3 billion
Position on 2010 Forbes Billionaire List: #47 Ariana's last name is Rockefeller -- as in John Rockerfeller -- which tells us she's a future heiress of a family that built it's fortune on Texas gold. Her father, David Rockerfeller Jr., manages the an estimated three billion in assets through Rockefeller Financial Services, which holds court in the family's namesake midtown Manhattan plaza.
Top 7 Tamara Ecclestone
Billionaire Father: Bernard Ecclestone
Family Fortune: $4 billion
Position on 2010 Forbes Billionaire List: #212
Tamara Ecclestone's father, Bernard, has managed to capitalize on the explosion of interest in F-1 racing around the world, tying him with Richard Branson at the #212 spot on the 2010 Forbes list. Tamara works as a racing television host in Britain and her Croatian mother is a former Armani model.
Top 6 Dylan Lauren
Billionaire Father: Ralph Lauren
Family Fortune: $4.6 billion
Position on 2010 Forbes Billionaire List: #173
Ralph Lauren's Polo empire began in a working-class neighborhood in the Bronx and blossomed into the most iconic American fashion success story. Ralph's oldest daughter Dylan is the brainchild behind Dylan's Candy Bar, a boutique candy store with locations in New York, Houston, and Orlando. At 36 years old, she's definitely moving into cougar territory, but still brings fiery good looks. It's an obvious sign she's not overindulging on the sweets.
Top 5 Amanda Hearst
Billionaire Family: The Hearst family
Family Fortune: US$5 billion
Amanda Randolph Hearst (born January 5, 1984) is an American socialite, fashion model, and heiress to William Randolph Hearst's media empire, which reports $5 billion a year in annual revenue USD.
boarding school in Wallingford, Connecticut. She graduated in 2002, enrolled at Boston College, and later transferred to Fordham University where she studies Art History
Top 4 Kathrine and Cecilie Fredriksen
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.
Top 3 Samantha Perelman
Age: 19 or 20? (born in 1990)
Billionaire Father: Ron Pearlman
Family Fortune: $11 billion
Position on 2010 Forbes Billionaire List: #52
The daughter of billionaire Cigar Aficionado investor and leveraged-buyout king Ron Pearlman attended the University of Pennsylvania, where the Pearlman family name adorns a campus quad. While billionaire heiresses don't tend to share their thoughts online, she's one of the few on this list besides Paris Hilton that you can follow on Twitter.
Top 2 Georgina Bloomberg
Billionaire Father: Michael Bloomberg
Family Fortune: $18 billion
Position on 2010 Forbes Billionaire List: #23
Georgina Bloomberg, the daughter to New York City Mayor Michael Bloomberg, is both an accomplished equestrian and New York Knicks fan, where she's frequently spotted with her billionaire father. In November, Georgina dished to Page Six magazine about choosing an equestrian career over college and her father's meteoric rise on the billionaire list. Most recently Georgina landed a sports modeling deal.
Top 1 Marta Ortega P�rez
Billionaire Father: Amancio Ortega Gaona
Family Fortune: $25 billion
Position on 2010 Forbes Billionaire List: #9
Three years ago Amancio Ortega Gaona's youngest daughter, Marta Perez, began her quest to inherit her father's Inditex fashion retail empire with a no-frills job stocking shelves and dealing with customers service at a Bershka fashion store. Inditex now boasts some 4,500 stores in 73 countries, including chichi designer brands such as Bershka, Stradivarius, Massimo Dutti, and the massive Zara chain. The daughter of Spain's richest man is reported to be an avid equestrian and still single, so a little horse whispering might be the quickest way to winning the heart of this billionaire heiresses.