Harris was born on January 12, 1968 in Worthington, Ohio, USA as Rachael Elaine Harris. She grew up in Worthington, a suburb of Columbus. She graduated from Thomas Worthington High School and Otterbein College, majoring theater. She was married to Adam Paul between 2003–08. In 2015, she married Christian Hebel.
She is known for her work on The Hangover (2009), Suits (2011), Diary of a Whimpy Kid (2010) and Surviving Jack (2014).