Jayne Mansfield–Sophia Loren photo

In 1957, Jayne Mansfield, an American actress and model known for her publicity stunts, attended a dinner in Beverly Hills at the exclusive Romanoff's restaurant hosted by Paramount Pictures to officially welcome Italian actress Sophia Loren to Hollywood. A photograph of the two women, with Loren casting a sideways glance at Mansfield's cleavage, was distributed world-wide and became an international sensation.

Source: Wikipedia — Jayne Mansfield–Sophia Loren photo (CC BY-SA 4.0)