Jessica Marie Alba (/ˈælbə/ AL-bə; born April 28, 1981) is an American actress, businesswoman, and entrepreneur. She began her acting career at age 13 in Camp Nowhere (1994), followed up by The Secret World of Alex Mack (1994), and rose to prominence at age 19 as the lead actress of the television series Dark Angel (2000–2002), for which she received a Golden Globe nomination.

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), The Eye (2008), Valentine's Day (2010), Little Fockers (2010), and Mechanic: Resurrection (2016). She is a frequent collaborator with 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.