<![CDATA[General Background Social media platforms, particularly Instagram, have become central spaces for self-expression and identity construction among university students. Specific Background In highly visual environments, perceptions of body image and experiences of social acceptance are closely related to psychological adjustment, especially self-confidence. Knowledge Gap Previous studies have often examined body image or social acceptance separately, yet limited research integrates both variables simultaneously in explaining student self-confidence within Instagram usage. Aims This study aims to analyze the relationship of body image and social acceptance with self-confidence among active Instagram users. Results Using a quantitative correlational design with 272 students aged 18–24 years, multiple regression analysis revealed that body image and social acceptance significantly predict self-confidence (F = 38.440, p < .001), jointly accounting for 22.2% of variance. Both body image (t = 3.899, p < .001) and social acceptance (t = 5.908, p < .001) showed significant partial contributions. Novelty This research integrates body image and social acceptance within a single regression model focusing specifically on Instagram users in higher education. Implications The findings provide empirical evidence for developing psychological guidance programs aimed at strengthening student self-confidence in digital social environments. Keywords: Body Image, Social Acceptance, Self Confidence, Instagram, University Students Key Findings Highlights: Body perception and peer acknowledgment jointly explain 22.2% variance in confidence levels. External recognition contributes more strongly than physical self-perception in the regression model. Psychological factors in visual digital platforms relate significantly to student adjustment.]]>
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