Justin Bieber just dodged a bullet. The L.A. County District Attorney rejected a case in which a paparazzo accused him of hit and run. U.S. border agents say they found marijuana on a bus with singer Justin Bieber's tour as it crossed into Detroit from Windsor, Canada.The singer was not on the bus at the time and performed later that night at Joe Louis Arena. Singer/actress Selena Gomez reunited with her on/off boyfriend Justin Bieber as she continued her 21st birthday celebrations with a star-studded party in Los Angeles. Gomez reached the age milestone on July 22, and she hosted a gypsy-themed bash at Malibu?s Revolve Beach House with friends Nina Dobrev and Derek and Julianne Hough among the celebrity guests.