Melissa Keith (neé Newburn) (born January 24, 1990) is the eldest daughter of Dorothy, the stepdaughter of Kip and the older half-sister of Jessica, Jennifer and Kristin. She is fluent in American Sign Language, meaning she can communicate with Dorothy and Kip.
Melissa was known as the "hearing parent" for her younger sisters and took on a lot of responsibility which maked her frustrated. Her relationship with her stepfather, Kip was strained because he expected her to act as a third parent.
Melissa's frustration also led to her often being disrespectful with Dorothy and Kip (such as arguing, bringing up old issues and swearing).
She was 18 years old when she appeared in Supernanny, and as of 2018, she is 28 years old.
Melissa's Facebook page– As of 2017, she is now married and her last name is now Keith.