Wallace was born in Oklahoma City and raised in Edmond, Oklahoma. Her brother, BJ (born 1991), is also an actor. She attended California State University (CSU) and currently resides in Los Angeles, California.
Wallace began her acting career in 2005. She has appeared in episodes of the television series Judging Amy (2005), Grey's Anatomy (2006), Cold Case (2008), Boston Legal (2008), Glee (2009, 2013), Ghost Whisperer (2010), Workaholics (2012), Rizzoli & Isles (2012−13). Apart from television work, she also appeared on the television films Company Town (2006) and Amish Grace (2010), and her first feature film Balls Out: Gary the Tennis Coach (2008).
