Redheads.

Red hair is the rarest type of natural hair colour in humans. Since the reign of Queen Elizabeth 1, red hair has been seen more of a symbol of wealth and power. It was seen as a great sign of beauty back then, along with the pale skin we associate red heads with.

Many painters have exhibited a facisnation with red hair. The colour 'titian' takes its name from the painter Titian, who often painted women with red hair. Renaissance artist Botticelli's famous painting, 'The birth of Venus' depicts the mythological goddess Venus as a redhead. Who is supposed to depict the very essence of beauty. Other painters notable for their redheads include the pre-Raphaelites, Edmund Leighton, Modigliani and Gustav Klimt.

Rees in 2004 suggested that the vividness and rarity of red hair may lead to it becoming desirable in a partner and therefore it might become more common through sexual selection.
Sometimes red hair darkens as people get older, becoming a browner color and losing its vividness - this leads to some associating red hair with youthfulness, a quality that is generally considered desirable. In Countries like India, Iran and Pakistan, henna is used by women to give a bright red appearence.