In 2007, she began dating her "Dexter" co-star Michael C. Hall. They eloped on New Year's Eve 2008 in California and publicly appeared together for the first time as a married couple at the 66th Golden Globe Awards in January 2009. In December 2010, Hall and Carpenter released a statement announcing that they had filed for divorce after having been separated "for some time". The divorce was finalized in December 2011 for irreconcilable differences; however, the two remain very close friends.