She has two older sisters, Virginia and Dottie, and an older brother, Richard, Jr.Her parents divorced in 1974 and her mother then married businessman Hunter Copeland (uncle to music promoter and business manager Ian Copeland).
Both Cox and Arquette reprised their respective roles from the Scream trilogy in 2011's Scream 4. Her other films include Ace Ventura: Pet Detective with Jim Carrey (1994), The Runner (1999), 3000 Miles to Graceland (2001), and The Shrink Is In (2001).
In late 2003, Cox and Arquette produced one season of the reality television series Mix It Up.
The Cougar Town star, 49, was spotted attending pal Jennifer Aniston's holiday party with musician Johnny Mc Daid, 37.
Cox's reps haven't commented on the apparent new coupling, but the two were reportedly very cozy during the shindig.
A so-called “insider” tells the tabloid that after her engagement to Snow Patrol guitarist Johnny Mc Daid ended in September, Jennifer Aniston urged Keaton to reach out to her.