Just like the other two, Justin probably will be let go as well.
He is likely not going to be deported to Canada. Article states:
Despite all his legal troubles, the charges against Bieber likely won't put him at risk of being deported or denied entry into the U.S. According to U.S. immigration law, authorities generally do not revoke an individual's visa unless the person has been convicted of a violent crime or has been sentenced to more than one year imprisonment.
AOL.com Article - Justin Bieber: From Boy-Next Door to Bad Boy