Sienna is the daughter of Isaac Guillory, an Anglo-Cuban folk guitarist. Rather improbably, she went to an old-fashioned English boarding school mainly for boys (Gresham's School, Holt, Norfolk) where she acted in several school and house plays. At the age of seventeen Sienna was talent-spotted for the role…more
Amnesty International and Shelter are the charities that Sienna supports.
Sienna and Enzo took part in cycling for Tour de France to raise money for charity.
In 2002, she was named as one of Maxim magazine's 'Hundred Sexiest Women.'
Sienna played the title role in John Kent Harrison's film Helen of Troy.
In the year 2000, readers of the men's magazine Esquire voted her Britain's Most Eligible Woman.
In the 1990s, Sienna took the unusual career step of giving up acting for a few years to become a top fashion model.
She was educated as a day girl at Gresham's School, Holt, which is a traditional English boarding school founded in 1555, and later trained as an actor and musician at the New World School of the Arts and the Paris Conservatoire.
Sienna's mother, Tina, designs and manufactures country clothes, and Sienna has sometimes modelled her mother's work for catalogues of the current collection.
Sienna has a sister named Jace. She also has a much younger half-sister called Eleanor Guillory, born in 1994, and a half-brother, Easton Jacob Guillory, born in 1998.
Sienna's parents divorced when she was thirteen. Her father moved to the north of England, where he remarried and had two more children.
Born in London, she grew up mostly in the rural district of North Norfolk in East Anglia, where she went to school.
Her mother, Tina Guillory, is English and now has a farmhouse in the east of England.
Sienna's father was the late Isaac Guillory, an American singer, song-writer and guitarist who was born at the Guantanamo Naval Base in Cuba. He died of cancer in December, 2000.
Sienna Guillory: I still feel like I'm a Hollywood virgin.
Sienna Guillory: You promised me flowers.