Killmer was born in Crowley, Texas. She attended Baylor University, graduating in 2010 with a performing arts degree.

Killmer appeared in the Hulu reality television web series If I Can Dream in 2010, which featured a number of participants who were trying to make it in the entertainment business.

In 2014, Killmer was cast in the NBC pilot Tin Man,but it was not picked up by the network when it announced its