Bendewald graduated from Wright State University. She was a bridesmaid at Jennifer Aniston's 2000 wedding to Brad Pitt, and Aniston was matron of honor to Bendewald's August 19, 2001 marriage to Mitch Rouse at the Saddlerock Ranch in Malibu, California. Actress Maria Bello and Producer Kristin Hahn were bridesmaids. Andrea met her husband, Mitch Rouse, during October 1998 on the set of The Secret Lives of Men. Andrea also dated Comedian Harland Williams with whom she costarred in the short-lived sitcom Simon.