11. Chris Brown. The 18-year-old R&B singer/heartthrob has taken the music world by storm and is now acting as well. In 2007, Brown made his film debut in the movie "Stomp the Yard" and is currently starring in the holiday flick 'This Christmas." Michael Caulfield/WireImage.com - December 2, 2007
Top Searched Celebrities of '07
See who the top searched celebrities were on Yahoo! for 2007.