Inclusion Criteria:  Assigned female at birth and currently identify as female Self-identify a minority sexual orientation (e.g.,lesbian, bisexual) BMI>25kg/m2 18-70 years old Interested in losing weight Regular internet and e-mail access Fluent in English  Exclusion Criteria:  Significant weight loss within past 6 months (>5%) Unable to participate in moderate physical activity Currently enrolled in a weight loss program Currently taking weight-loss medication Currently pregnant or trying to get pregnant Participated in a previous Phase of this study Reports a serious mental/physical health condition that would increase potential risks of treatment to the participant (e.g., active symptoms of psychosis, suicidality, mania, alcohol/substance use, or a medical condition that is serious, active, unstable, and degenerative (e.g., CHF)).