Reese Witherspoon Reese Witherspoon began modelling when she was only seven years old. What followed were many commercials until she landed a role in The Man in the Moon when she was just 14 years old. She won the Oscar for best actor in a female lead when she was 29 years old in 2005 for Walk the Line. Elijah Wood Elijah Wood was a favourite child actor in Hollywood appearing on hits like Paradise, Radio Flyer, and The Good Son. But many wondered if he would be able to transition into adulthood smoothly. He not only did that, but he did it playing the Hobbit Frodo in the Lord of the Rings epic movie franchise. Christian Bale Christian Bale's role in Steven Spielberg's film Empire of the Sun was so convincing the media hounded him mercilessly. Bale recalls debating whether to quit showbiz as he found the demands too much. Instead, he chose to give lead a very private life while starring in major hits like American Psycho, Christopher Nolan's Batman trilogy, American Hustle, and the Big Short. Bale won the Oscar for best supporting actor for the film The Fighter in 2011. Raven-Symone Scarlett Johansson's career started in off-Broadway production of Sophistry. She was rejected all the time for commercials so her mom pushed her to audition for films instead. She landed her first movie role for North when she was just 10. Today she is Black Widow character in the Avengers franchise. Scarlett Johansson Neil Patrick Harris Neil Patrick Harris played the nerdy and quirky genius teen doctor in Doogie Howser when he was a teen. He appeared on Broadway winning a Tony in 2014 for best male lead in a musical. He was the leading actor in the hit comedy show How I Met Your Mother. Natalie Portman Portman was discovered by a modeling agent at a pizza parlor when she was just 11 years old. Two years later, her first acting role was in the movie The Professional. She took time off from Hollywood to attend to Harvard University and earn a degree in psychology in 2003. In 2011, Portman won an Oscar for best actress in Black Swan. She is again nominated for the coveted award this year for her portrayal of Jackie Kennedy in Jackie. Britney Spears Spears was the undisputed teen pop star in the early 2000's. Despite her global music domination in pop music, Spears' life was beginning to spiral out of control after her much publicized break-up with Justin Timberlake. She married an old school friend in Vegas only to have it annulled hours later. She married one of her dancers Kevin Federline and had two sons together. But after they separated she had a public meltdown where sole custody of her kids were given to Federline. After entering treatment, Spears made her comeback with hit albums like Black, Circus, Femme Fatale, and Britney Jean. In 2013, Spears started her Las Vegas residency at Planet Hollywood where she currently earns $475K per show, according to TMZ. Mario Lopez Lopez had various roles as a kid in shows like The Golden Girls, but his big break came playing jock A.C. Slater in Saved By the Bell. He's had guest roles in various shows throughout his career. He has settled in comfortably as the host the entertainment news show Extra. He also starred in his own reality TV show Mario Lopez: Saved by the Baby. The Olsen Twins Mary-Kate and Ashley Olsen were just babies when they shared the role of Michelle Tanner on Full House. As girls they had their own clothing line, and TV movies. By 2012, the fraternal twins announced they would be retiring from acting to focus on their fashion careers. Lindsay Lohan Lohan began modelling when she was just three years old. She made various commercials and was part of the cast in the soap opera Another World. She landed the lead in the Disney remake The Parent Trap when she was 11, but her teen years were plagued with alcohol and drug abuse.