pbr Jennifer Aniston has been named the most eligible single woman in the world.br ppbr With relationships with Brad Pitt, Vince Vaughn and John Mayer behind her, the Friends star got the top spot in the poll by 60 Minutes and Vanity Fair magazine.br ppbr 41-year-old Jennifer got 29 per cent of the vote with Oscar winning actress Halle Berry not far behind with 21 per cent.br ppbr Tiger Woods' ex-wife Elin Nordegren also made the list coming in third place.br ppbr Meanwhile round off the top five were 88-year-old Golden Girl Betty White and pop superstar Lady Gaga.