Alba Piaget
Alba models a gold necklace from the Piaget "Possession" Collection Piaget

Swiss jeweler Piaget has tapped superstar Jessica Alba to be brand ambassador of its Possession collection.

The Golden-Globe nominated actress is considered one of the world's most beautiful. Alba is known for her starring film roles in Fantastic Four, Sin City, Little Fockers, and Good Luck Chuck, along with her lead role in the television series Dark Angel.

She is also actively involved in charity work, supporting family-oriented charities like Baby2Baby and Safer Chemicals Healthy Families. In 2005, Alba pledged to star as an unpaid actress in one of produce Bob Weinstein's movies if he agreed to bid $100,000 at an auction supporting the AIDS charity Amfar.

In a more scintillating effort, Alba posed for a bondage-themed print advertising campaign by Declare Yourself, a campaign encouraging voter registration among youth. The ads, which some found shocking, feature Alba wrapped in and gagged with black tape.

The actress has been married to Cash Warren since 2008. The couple has one daughter, Honor, and is expecting their second child this year.

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