Jennifer Aniston has been hailed as the "most beautiful woman in the world" as she flaunted her ageless beauty in a series of bikini snaps.

The actress, 53, posed candidly while having her famous hair done by her stylish Chris McMillan.

The Friends star looked to be enjoying her time in the hairdresser's chair as she showed off her freshly cut locks.

Jennifer donned a tiny bikini and a structured pair of high-waisted trousers which sat at her tiny waist.

She tugged on her long silver necklace as she posed for the black and white snaps before her stylist uploaded them to his Instagram page.

Jennifer Aniston was hailed as the "most beautiful woman in the world" 

The Friends star showed off her fresh 'do 

Hair expert Chris was inundated with gushing comments as fans of the actress rushed to compliment the star.

One enamoured fan wrote: "I'm so in love with these pics!."

Another said: "The most beautiful woman in the world," while a third admired: "She's absolutely perfect."

Chris captioned the snaps with juicy details on how he styled Jen's hair so details.

Revealing his trade secrets, he wrote: "throwing it back.

Love a good blowout. Full but straight."To achieve this look I take 1 1/2 sections starting at the nape and blowout from towel dried freshly shampooed hair and towel dried , usually no products in hair so the blowout lasts ( re wetting the hair if needed with a water bottle).

Jennifer has barely aged since her Friends days