Celebrity starred in the promotional video of the new application, blocking the SMS function on the phone while driving. One of the most famous and richest teenagers in the world singer Justin Bieber has decided to engage seriously with the promotion of safe driving. Recently, the star has appeared in several commercials PhoneGuard app. The essence of the program installed on the mobile phone is in the automatic locking function of sending an SMS when the driver behind the wheel. In addition, when an incoming SMS application sends a message indicating that the subscriber is busy driving and will reply as soon as you reach your destination. As posted by Justin Bieber in his account on twitter, while shooting advertising application PhoneGuard he met "a bunch of different cool guys", adding that everyone should contribute to increasing road safety. Apparently, the young talent has decided to take on the mind after a recent accident in which the singer became a direct participant. Recall, then, Bieber crashed his Ferrari in Los Angeles. How did this incident due to the use of phone while driving, not reported.