The pair had been dating for just over a year.
The two, who first met in 2006, released a joint statement on Friday.
The reality star couple have called it quits hours after Pratt posted a tearful pic to Instagram hinting at their relationship troubles.
Meanwhile, Otunga’s lawyer released a statement denying any abuse or harassment.
The two made things ‘official’ during the reunion taping of ‘Teen Mom 2’ this past weekend.
The 33-year-old actress is single and focusing on her career.
The pair dated for about one year.
