The research was designed to explore the impact of social media trends on the behaviour of young people in Lagos State. The study used an old factorial design. Simple and purposeful random sampling is used to select the sample. Both in-school and out-of-school youth were used for the study with a total population of 1,660 and a sample of 310 young people selected and used for the study. Three research hypotheses were put forward and tested. Pearson r, t-test, chi-square and ANOVA tools were used for statistical analysis. The results show that there is a positive correlation between social media trends and behavioral patterns. Feedback from these friends will be better to enhance their self-image and improve group behavior