VIDEO : Christopher Meloni And Mariska Hargitay Reunite

Mariska Hargitay and Christopher Meloni, former "Law & Order: Special Victims Unit" co-stars, are celebrating the season with a holiday selfie. On Tuesday, Meloni posted a picture of himself with his arm around Hargitay on his Instagram, along with the caption, "Friends at Xmas." Hargitay posted the same picture on her account. The pair starred in "SVU" for 12 seasons before Meloni left in a contract dispute.