Hollywood star Jessica Alba is pregnant.The 26-year-old actress and her boyfriend Cash Warren are expecting a child next year.Alba has been dating 28-year-old Warren since autumn 2004 when they met on the set of The Fantastic Four, where he was a director's assistant.Alba's spokesman, Brad Cafarelli, told showbiz website People.com: "I can confirm that Jessica and Cash are expecting a baby in late spring, early summer."The Sin City and Awake actress, often mentioned in lists of the world's sexiest women, will also star in forthcoming films The Eye and The Love Guru.