Showbiz
Rex Features
The actress beat Catherine Zeta-Jones, Cat Deeley and Penelope Cruz in the survey of 1,600 people by Hair magazine.
Angelina Jolie, Natalie Imbruglia and Victoria Beckham took the next three places, with the top ten completed by Nicole Kidman, Sharon Stone and Sienna Miller.
The bob was voted the 'most iconic' style of all time, followed by Aniston's hugely popular haircut in Friends.
The Amy Winehouse-style '60s beehive was third and Farrah Fawcett's 1970s feathered cut fourth.
The next three places went to Mia Farrow's crop in Rosemary's Baby, Princess Diana's cut before she married Prince Charles, and Joanna Lumley's bob from The New Avengers.
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