"I feel so lucky to be growing up with you," Cox told her fellow 'Friends' alum in a sweet birthday tribute Courteney Cox is ... of her and Aniston posing and smiling together.

An insider revealed that Courteney Cox has been focused on maintaining her looks rather than trying to turn back the clock ...

Courteney Cox is celebrating her decades-long friendship ... wrote alongside a throwback snap of her and Aniston posing and smiling together. "Never has there been a more generous, loving ...

Jennifer Aniston (L) and Courteney Cox attend the American Film Institute's 46th Life Achievement Award Gala Tribute to George Clooney at Dolby Theatre on June 7, 2018 in Hollywood, California.