cox081809_01_X17WM230.jpgCourteney Cox and David Arquette are back together, but it's only for a TV role on Cougar Town.

Arquette will be guest starring on the hit abc sitcom ... a show that both he and Cox executive produce.

The 40-year-old actor will play a hotel concierge on the show's season 3 finale episode.

Cox and Arquette split back in October 2010 after being married for 11 years.

The couple met while filming the horror movie Scream in 1996.

Arquette, who appeared on last season's Dancing with The Stars, is now dating Entertainment Tonight reporter Christina McLarty.