cbrown102610_05_X17.jpgChris Brown has been accused of grabbing a woman's phone outside a nightclub in Miami and driving off with it, and if he's charged for the crime, he may get sent back to the slammer!

A rep for the Miami Beach Police Department confirmed that 24-year-old Christal Spann filed a police report on Sunday for robbery after Brown reached out the window of his Bentley and took her iPhone.

Spann says she had followed Chris and fellow rapper Tyga out of Cameo nightclub and took a picture, at which point he flipped out and snatched the phone, yelling, "B*tch, you ain't going to put that on no website."

A rep for the police department tells TMZ that no arrests have been made and no warrant has been issued yet, but if he is arrested, he could face jail time for violating his probation. Looks like those anger management classes aren't working so well!