A well noted celebrity, actor, actress, or public figure, that exudes a particular charm, or attraction from those around them.
One who symbolizes or embodies the qualities that creates a sexual desire from their admirers, fans.
Coined in the 1950's by Hollywood to promote it's female leads mostly, like Marilyn Monroe and Jane Mansfield.
Various porn stars are given the same treatment, or adoration.
In some cases more so, as the fans see much more than their outward charm.