Jennifer Aniston and Courteney Cox: From 'Friends' to Frenemies rumor roundup

jen-aniston-courteney-cox.jpgJennifer Aniston and Courteney Cox have been besties since their days on "Friends," but those days may be numbered according to Us Weekly. Unnamed sources tell the mag that the duo is on the outs, saying "there's tension."

Photo/Video credit: Getty Images