Curvy figures such as Nigella Lawson's are the latest in beauty essentials it seems, as a poll reveals that size 14 women are the happiest.Over a quarter of size 14 women said they were extremely happy, more than 43 per cent said they were satisfied with their career and a third said they were very content with their love lives.Special K's poll of 3,000 women found that the next happiest were size 12 women, three-quarters of whom said they were satisfied with their friendships and third happiest were size eights."Our research shows that the curvier size 14 woman is much more comfortable with their shape and has a happier outlook on life," said a spokesperson for Special K.The study found that size 24 women were the least satisfied, with 18 per cent of them saying they were extremely unhappy.Size six girls were also dissatisfied, ranked fourth in the unhappy list.Meanwhile Girls Aloud star Cheryl Cole has been named beauty icon of the year in a poll by Superdrug.(c) 2007 Adfero Ltd.