The purpose of this research is to investigate the effectiveness of uploadedrecorded video on Instagram at second graders’ SMAI Al-maarif Singosari for speaking skill on hortatory exposition. Uploaded-recorded video on Instagram is one of the ways to increase the students’ speaking skill since uploaded-recorded has ability to replay recording. And it can help the students to exercise themselves to improve their speaking skill. Therefore, the researcher treated the students by using uploaded-recorded video on Instagram. The design of this research was experimental research with pre-Experimental research. The research focused on one class, that was XI Language Program in which there were 23 students.The instruments test were six topics which were chosen by researcher and controlled by teacher who taught on this class. The researcher conducted pre-test, treatment and post-test. The instruments were validity on ten students who random sampling but one level with students one class on XI Language Program. The data from bot pre-test and post-test were analyzed by using t-test analysis. The score of post-test was significantly higher than pre-test. The result of analyzing pre-test score and post-test showed that significant level of 0.000 for first test and 0.001 for second test which less than 0.05. it means that using uploadedrecorded on Instagram was effective in improving speaking skill at second graders’ of SMAI Al-Maarif Singosari. It can be concluded that the student who was taught using uploaded-recorded video on Instagram was better than student before using uploadedrecorded video on Instagram for speaking skill as it helped the students to improve their speaking performance and speaking skill, so it could improve their speaking achievement.