The youngest daughter of the late Prince Rainier and Princess Grace of Monaco, Princess Stephanie, has been in the international spotlight from the moment she was born on February 1, 1965. Having inherited her movie star mom's Hollywood charisma, Stephanie went through many phases, including pop star and model with her style changing each step of the way. Click through to see Stephanie's eclectic style, from royal star in the limelight to proud mom-of-three.
Stephanie looked like a typical 14-year-old, wearing a choppy short hairstyle collared shirt and navy sweater while on a 1979 holiday with her family. Pictured are dad Prince Rainier, mom Princess Grace, and sister Princess Caroline at their chalet in Gstaad, Switzerland.
Later in her teen years, Stephanie blossomed into a confident beauty. Here she wore a white strapless dress alongside her mother Grace Kelly at the 1982 Red Cross Ball.
The royal took statement jewelry to a new level for her 1986 visit to London's Harrods department store.
Prince Albert's sister dazzled in chandelier earrings and an elaborate headpiece during the 1987 Red Cross Charity Ball.
The Monaco Princess was rocking the Farrah Fawcett hairdo in the '80s stepping out to the 1987 Rose Ball wearing a yellow and black ensemble.
Stephanie attended the 1988 Grand Prix automobile race in Monaco wearing a purple button down, which she complemented with a pink lip.
Stephanie looked sunny wearing a vibrant yellow wrap coat to the Cathedral of Monaco during National Day with her family.
Stephanie showed off her dance moves twirling in a flowing white frock that featured slits and a purple overlay with her brother Prince Albert at the 2001 Red Cross Ball.
The Princess flashed her enviable abs in a daring black cut out dress as she arrived to the 2004 Monaco Red Cross Ball with her father Prince Rainier.
The Monaco Princess looked laid-back in a blue tank and denim embroidered jeans during stroll around the 2006 Monte Carlo Television Festival.
Stephanie kept it casual wearing an over-sized blazer and blue jeans to the 2008 Fight Aids Monaco Gala Tribute to Serge Gainsbourg in Monte Carlo.
Stephanie went the edgy route flashing skin in a metallic number, alongside her brother Prince Albert and now sister-in-law Princess Charlene at the 2010 Monaco Red Cross Ball.
The Monaco royal (accompanied by her children Louis Ducruet, Pauline Ducruet and Camille Gotlieb) opted for a blush colored mini dress and matching wrap for her brother Prince Albert's 2011 wedding to Princess Charlene.
Grace Kelly's daughter showed off her toned figure and arms wearing a form-fitting white mini dress that featured embellishments to the 2011 FightAids Monaco Summer Gala.
Stephanie looked sophisticated in a black jumpsuit for an outing to the Monte Carlo 36th International Circus Festival in 2012.
The mom-of-three looked chic wearing printed trousers and a black halter blouse as she stepped out with her siblings and children, in addition to her nephew Andrea Casiraghi and his wife Tatiana.