2. Kiernan Shipka
Kiernan Shipka, now 15, has been playing Sally Draper on Mad Men since she was six years old. In both 2008 and 2009 she won the Screen Actors Guild Award for Outstanding Performance by an Ensemble in a Drama Series. She played the part of Cathy in Flowers in the Attic in 2014, and was named one of the 25 most influential teens of that year by Time Magazine. Regarded as a child prodigy, she says she has been inspired by Grace Kelly and Audrey Hepburn.