A longtime favorite of frat boys and fan-boys alike, actress Jessica Alba started out in commercials before graduating to the small screen. Her turn as a pre-adolescent mean queen during the 1994-95 season of the children’s comedy series, “The Secret World of Alex Mack” (Nickelodeon, 1994-98), helped her land the role of Maya Graham for the first two seasons of “The New Adventures of Flipper” (Synd., 1994-2000). The young star’s big break came, however, in 2000 when writer-director James Cameron picked Alba from a pool of over 1,200 candidates for the lead role in his futuristic sci-fi