43. Emmy Rossum
Occupation: Musician, actress
Biggest accomplishment this year: Released her debut album, Sentimental Journey
Emmy Rossum has established a foothold for herself with her work on Showtime's Shameless, garnering her several award nominations in late 2012. This year, she has already appeared in her first movie in over two years with her role as the sinister Ridley in Beautiful Creatures while continuing her work as the lead in season three of Shameless. She also found time to release her second studio album, Sentimental Journey, a compilation of cover songs from 1920-1960 that reached as high No. 92 on the Billboard charts.