Justin Bieber - One Time Official Video Review

This was the lead single from his debut EP, My World .

Mentor Usher makes a cameo at the beginning, leaving a young Bieber in charge of his house while he goes to the studio. Justin Bieber - ONE TIME Official Video

Usher returns home to find the party in full swing, giving Justin a knowing look as the video ends. Key Highlights & Legacy This was the lead single from his debut EP, My World

The video has amassed over 700 million views on the official Justin Bieber YouTube Channel . hanging out by the pool

Bieber ignores the "don't have people over" rule and hosts a party for his friends. The scenes alternate between him playing video games, hanging out by the pool, and performing for the camera.