I. Determine feasibility of using a free online commercial weight loss program (SparkPeople) in African-American (AA) breast cancer survivors, as measured by: 1) Accrual: percent (%) patients recruited and completing baseline assessments; 2) Study retention: % patients completing 6 month follow-up assessment; 3) Intervention adherence and sustainability (measured at 3, 6, 9, 12 months): a) use of website- number of log-ins, time spent, and use of features such as food diaries, joining teams, posting on message boards (provided by SparkPeople); b) use of Fitbit monitor- % patients who wore the monitor and synced data; c) satisfaction (e.g., ease of use of website, usefulness of content, extra training and support needed) and barriers to participation (e.g., lack of computer access, lack of skills, time, interest, etc.).