5. Rebel Wilson. Starting with Bachelorette, 2012 has been an extremely successful year for Australian actress and comedienne, Rebel Wilson. She made appearances in very movies this year including What To Expect When You're Expecting and Pitch Perfect. Her alter ego, Rebelicious has been getting attention, showing us just how gangster she can be. Her best appearance on television was when she appeared on Jay Leno and performed "Edge of Glory". Everyone was certain she was going to hit Bryan Cranston with her heel. Let's see what 2013 holds for this breakout start!