Transformation

Step aside up-and-comers, this year's hottest star is 91-year-old Betty White. In her 60-year career, the six-time Emmy winner has parlayed her dimples, sweet smile and wicked sense of humor into legendary characters like Mary Tyler Moore's Sue Ann Nivens in the '70s and the Golden Girls' hopelessly naive Rose Nylund in the '80s. A scene-stealing turn in 2009's The Proposal and an instant-classic Super Bowl commercial in 2010 led to Bettymania and her current role on Hot in Cleveland. Ingenues, watch out!

The beautiful 28-year-old brunette co-hosted music roundup Hollywood on Television for a whopping five hours a day, six days a week. "We were one of the only games in town," she has said of her show with DJ Al Jarvis. "It was like television college."