Jessica Marie Alba (born April 28, 1981) is an American actress and businesswoman. She began her television and movie appearances at age 13 in Camp Nowhere and The Secret World of Alex Mack (1994)

Her big screen breakthrough came in Honey (2003).

She soon established herself as a Hollywood actress, and has starred in numerous box office hits throughout her career, including Fantastic Four (2005), Fantastic Four: Rise of the Silver Surfer (2007), Good Luck Chuck (2007) 

She is a frequent collaborator of director Robert Rodriguez, having starred in Sin City (2005), Machete (2010), Spy Kids: All the Time in the World (2011), Machete Kills (2013), and Sin City: A Dame to Kill For (2014)

From 2019 to 2020, Alba starred in the Spectrum action crime series L.A.'s Finest.

In 2011, Alba co-founded The Honest Company, a consumer goods company that sells baby, personal and household products.

Magazines including Men's Health, Vanity Fair and FHM have included her on their lists of the world's most beautiful women.

Alba's parents are Catherine Louisa (née Jensen) and Mark David Alba. Her mother has Danish, Welsh, German, English and French ancestry, while her paternal grandparents, who were born in California, were children of Mexican immigrants.

Her father's Air Force career took the family to Biloxi, Mississippi, and Del Rio, Texas, before they settled in Claremont, California when she was nine years old.