Jennifer Aniston and Courteney Cox are still the best of Friends! On Sunday, August 17, the former costars shared a sweet new selfie on Instagram, giving Us all the feels. Aniston, 56, can be seen in a black sleeveless top while Cox, 61, sports a brown shirt as they smile for the camera. "We look so cute next to each other....so do they ," Cox captioned the post, which the stars jointly shared.