Sage's career began in 2011, when she got the part of Grace on How to Rock, which first aired on February 4, 2012. She appeared as Brianna in the 2012 teen drama The First Time. Sage has also guest starred on Nickelodeon's Victorious and Bucket & Skinner's Epic Adventures. In 2013, she appeared in The Bling Ring alongside Emma Watson, Grown Ups 2 alongside Adam Sandler and Chris Rock, and Poker Night with Beau Mirchoff and Ron Perlman. In March 2013, Sage was cast in the pilot/thriller by Rand R