The 45-year-old star, who is famous for her youthful glow, shiny hair and fit body, sat down with E! News' Catt Sadler and happily dished on her skin care and diet secrets.
So what magical formula does the star subscribe to for looking (and feeling) so good all of the time?
"The simpler the better!" she emphasized effortlessly, adding that Aveeno makes natural wholesome products at a friendly price point.
"I always like to read labels so I know what's going into our food and what's going into our bodies. I thought it was really fun to see what's going into our skin," Justin Theroux's fiancé explained of the mini-movie the brand created to educate consumers about the effective ingredients in her favorite product line.
"It's also accessible, it's affordable, it's not in a big fancy bottle," the star, who has been a loyal fan for years, shrugged earnestly.
Aniston went on to share her favorite home remedies for aging gracefully, divulged her best diet advice and even offered her top three tips for staying on top of her beauty game all year round.
Dying to know her star-worthy secrets?
Watch the video to hear them yourself!