TMZ reports that actress Emma Roberts was arrested after allegedly assaulting her boyfriend in a Montreal hotel room.

Montreal police took the 22-year-old into custody July 7 after a fight with her boyfriend, "American Horror Story" star Evan Peters.

Sources say that when police arrived, they saw that Peters had a bloody nose and a bite mark in an undisclosed location. Roberts was released from custody after Peters decided not to press charges.

The couple are reportedly back together and working on "American Horror Story".

Roberts is the daughter of actor Eric Roberts and the niece of Julia Roberts, and will be seen in the upcoming "We're the Millers", starring Jennifer Aniston and Jason Sudeikis.