He's tearing up the charts and j14.com with his hit singles "Down" and "Do You Remember" -- and now J-14 is giving one lucky Jay Sean fan the chance to be his assistant for the day and hang out with him at a photo shoot.

To enter the contest, call Jay Sean's Say Now number listed above and leave him a message telling him why YOU deserve to win the contest!

For official rules, click here!

Photo: Courtesy of Amit and Naroop Jhooti