In recent paparazzi photos of the couple hauling luggage around New Orleans, Roberts appears to be sporting a bauble on her left ring finger.
The pair made headlines last summer when Roberts was arrested on domestic violence charges in Montreal. Police handcuffed the actress after seeing Peters' bloody nose, though he decided not to press charges.
Peters' publicist said later that the couple were "working together to move past" their fight.
[Extra, Us Weekly, Just Jared Jr.]