In 2004, Sims was crowned Miss Georgia Junior National Teenager and later won the Miss Junior National Teenager title 2005.
In 2006 she received a Southern Hero award, and won a Prudential Spirit of Community award in 2003. In 2006 she was honored with an award from the Caring Institute in Washington DC, recognizing her work with children with cancer. The following year she was one of twenty-seven American teenagers given the "Nestle Very Best In Youth" award for her community Service.
Sims represented Georgia in the Miss Teen USA 2007 pageant broadcast live from Pasadena, California in August 2007, but did not place. She was the first Miss Georgia Teen USA not to place in the pageant since 2003.
Her first role was the main role of Cassie in Attack of the 50 Foot Cheerleader (2012), and she appeared in an episode on the Tv series Entourage. She is due to appear in Sharknado 5 in August 2017.
