Natalie Portman
The Black Swan star made her feature film debut in 1994's Léon: The Professional, but didn't let the acting bug get in the way of her education, as she's also a Harvard grad.
Brad Pitt
The hunky actor was hot then and is still hot now. Pitt is Hollywood royalty now and the significant turning point in his career came when he starred as a sexy bloodsucker in the hit film Interview With the Vampire.
Cameron Diaz
The gorgeous blonde started as a teen model, gracing the cover of Seventeen magazine in 1990. And she's still rocking her model looks as one of the highest-paid actresses in Hollywood.
George Clooney
A lot of hair then, silver fox now, the award-winning actor has been in show business for years and got his start on TV in 1978, but it was his role as the hot doctor on the medical drama ER that made him super-famous.