- One Time Official Video: Justin Bieber

Mentor Usher makes a cameo at the beginning, leaving a young Bieber in charge of his house while he goes to the studio.

The "one girl" he is singing about is played by Kristen Rodeheaver. The video focuses on their innocent chemistry throughout the party. Justin Bieber - ONE TIME Official Video

Fans often revisit this video to see the "original" Justin, especially after he referenced his younger self during his reported Coachella 2026 performance . Mentor Usher makes a cameo at the beginning,

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. Fans often revisit this video to see the

Usher returns home to find the party in full swing, giving Justin a knowing look as the video ends. Key Highlights & Legacy