Stubblefield is the daughter of Mark and Linda Stubblefield, a pharmacy major, she is a member of the Sally McDonnell Barksdale Honors College. She was elected president of the pharmacy school and president of her class. She is co-founder and co-director of the UM chapter of Christian Pharmacists Fellowship International. Stubblefield is an ASB senator, Orientation Leader and member of the Pharmacy Executive Council. She was named to Alpha Lambda Delta, Gamma Beta Phi and Kappa Epsilon honoraries. She has volunteered with Leap Frog, Boys & Girls Club, Operation Diabetes and Toys for Tots.