Courteney Bass Cox (born 1964) is an American actress, best known for the role of Monica Geller in Friends
. She also appeared in the Scream
series and currently stars in the sitcom Cougar Town
She married David Arquette
in 1999, but they separated in 2010; during this time, she was known as Courteney Cox Arquette.
Note that her first name is spelled "Courteney" not "Courtney".